Students and Teachers Forum
sin A sinB - cosA cosB + 1 = 0 or, cosA cosB - sin A sinB = 1 or, cos(A + B) = 1 or, sin(A+B) = √[1 - cos2(A+B)] = 1- 1 = 0 Therefore, sin(A+B) = 0. Also, tan(A+B) = sin(A + B)/ cos(A+B) = 0 or, tan(A + B) = .....
Utilization of Natural resources:
Nepal is a developing country. Due to the decades of political instability, the economic growth has not risen up well. Due to this, there is poverty and unemployment everywhere in the country. And, the workforce in the country is in search of the .....
The importance of Midhill highway are listed below: - The Midhill highway links the western region of Nepal to the eastern hilly region. - It helps to uplift the socio-economic conditions of the highway connected districts. - It enhances the .....
Let us take a look at the human skeleton. There are 206 bones in human .....
We know, sin 60o = √3/2 cot 60o = 1/√3 sin45o = 1/√2 So, 2/3 sin260o + 3cot2 60o + 4/3 sin2 45o = 2/3 * (√3/2)2 + 3*(1/√3)2 + 4/3 * (1/√2)2 = 2/3 * 3/4 + .....
An equation says that two things are equal. It will have an equals sign "=" like this: 7 + 2 = 10 − 1 That equation says: what is on the left (7 + 2) is equal to what is on the right (10 − .....
No, they don't. They only exist in mythological .....
If there was no development in our country, we would have faced lots of problems. It would be difficult for us to move from one country to another. We cannot even think of doing online shopping. We would have a problem in communication. If there .....
Definitely, the social organizations working in Nepal are taken as the agents of social transformations. The different organizations working in Nepal are conducting social awareness programs for the welfare of our societies. They sometimes conduct .....
Plan International is an independent development and humanitarian organisation working in 51 developing countries. It advocates children’s rights and equality for .....
Girl trafficking is a social crime in which innocent and illiterate girls mainly from rural areas are sold inside the country or overseas either for prostitution or for forced labor. The selling and buying of girls illegally have following effects .....
They both are complementary to each other, however, some of the differences are:
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Untouchability is a practice in which some so-called " lower caste" people are kept at a distance, denied of social equality. They are made to suffer from some disabilities for their touch, is considered to be contaminating or .....
Chaupadi pratha is a tradition practiced for centuries that banishes females during their menstruation period from the house. The female members during menstruation period are banned from their house. They are instructed to live in a separate .....
The International Red Cross and Red Crescent Movement started in 1863. It was inspired by a Swiss businessman, Henry Dunant. He had been appalled at the suffering of thousands of men, on both sides, who were left to die due to lack of care after .....
Folk music is the song and the music that uses traditional local tunes and are sung accordance with the place, culture, race etc. They are the symbol of national unity among the various community living in the .....
Well, the government of Nepal has directed not to play foreign songs or music on the occasion of the cultural program organized in schools. I think this is one of the good provisions made for the preservation and promotion of Nepalese folk songs .....
वाक्य यसरी बन्छन्, हेर्नुहोस् है त : लौ — लौ, त्यसले त सबै काम बिगारेछ । वनवास — रामचन्द्रले .....
वाक्यमा प्रयोग : जुन गोरुको सिङ छैन त्यसकै नाम तिखे भने झैँ रामबाबुलाई एउटा वाक्य पनि .....
प्रश्न नं. (क), (ख), (ग), (घ) सबैको उत्तर हेर्नुहोस् लः (क) आज — अव्यय (क्रियाविशेषण) पानी — .....
उत्तरः आज — अव्यय (क्रियाविशेषण) पानी — नामपद ठूलो — विशेषण नि — अव्यय .....
Part -23 of the constitution of Nepal deals with the public service commission. Some of its major functions are:
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An endowment life insurances is essentially a life insurance policy. Apart from covering the life of the insured, it helps the policyholder save regularly over a specific period of .....
The modern periodic law states that "Physical and chemical properties of elements are periodic functions of their atomic number". When elements are arranged in a manner they are placed in the Modern periodic table, elements in same column .....
The purchase and sell security means the selling and purchasing of share and debenture by a company or people. Securities are investments that can be traded on a secondary market. Examples include stocks and bonds. Securities allow you to own the .....
The central bank controls credit and money supply through its monetary policy which consists of two parts—currency and credit. The central bank has the monopoly of issuing notes (except one-rupee notes, one-rupee coins and the small coins .....
In the interim constitution, there were only 6 different constitutional organs but in the present constitution, the number of constitutional organs has been extended to 13. The present constitution of Nepal has removed the Attorney General from the .....
The contemporary causes of drug abuse are listed below: - People take the drug with the misconception that taking drug reduces any kinds of tensions. - The youngsters take drug due to the bad company. - The high school students take drug due to .....
The four reasons to enlist Ancient Heritage of Nepal in the World Heritage Site are as follows: - The ancient heritage of Nepal has unique kind of features that should be saved and promoted for long. - They are culturally important and they are .....
The acceleration due to gravity on the surface of earth = 9.8 ms-2. The formula to Calculate the acceleration(a) = GM/R2 G = 6.67 x 10-11 M = 6 x 1024 R = 6.4 * 106 Substitute the value in the formula, and we obtain the acceleration due to .....
Current Balance: Your current balance is the balance you have in both your previous statements and current .....
A bank overdraft is flexible borrowing facility on a bank current account which is repayable on demand. A bank overdraft does not actually result in cash flowing into a business. Instead, the business is allowed .....
Let, x be the distance between two place. According to question, (3/4) * x = 45 or, 3x/4 = 45 or, x = 15 * 4 or, x = 60 .....
Nepal became the Member of UNO on 14th. Dec. 1955 AD. Nepal became a member of various agencies which operates under the leadership of UNO. Nepal is a member country of FAO, ILO, UNICEF, UNDP, UNESCO, WHO and many other international .....
Respecting elders and loving the children are the two good habits an individual .....
Best friends are the person who is close to you. He or she may a friend you play in your neighbourhood, you go together to school or you invite in your birthday. My best friends are Chandra Prasad Acharya and Poornima .....
Water mill is one of the clean and appropriate technology for grinding at local level. The most of part of Nepal still remains far from electric grid connection. So, water mill is still in use. Still today lots of people in rural .....
b.Almost all electrical power in earth is generated with the help of turbine. Turbine forms a important part in different .....
Metals are described as malleable because they can be beaten into sheets. They are also ductile, as they can be pulled out into wires. This is because of the ability of the atoms to roll over each other into new positions without breaking the .....
Here we given, Area of //gm ABCD= 60cm2 Area of //gm PQRS = ? We know, //gm ABCD = //gm ABEF [ //gms on same base and between same //s are equal in area.] //gm ABEF= //gm PQRS [ //gms on same .....
Here, Selling Price(SP) = Rs. 3,000 Profit(P) = Rs.300 Cost Price(CP) = ? Now ,we know, Cost Price(CP) = SP - P = 3000 - 300 = 2700 Therefore, CP = Rs. 2,700 Now, from second case , Selling Price (SP) = Rs. 3,550 But, CP remains the .....
Let the Rate per month per Rupee hundred be 'R%'. Here, Principle amount(P) = Rs. 8,000. Time(In Months) = 15 Simple Interest(I) = Rs. 2500 We know, I=PTR/100 or, 2500 = 8000 * 15 * R/100 or, R = (2500 * 100)/(8000 * 15) = .....
Let the Rate per hundred rupee per month be 'R%'. Total time given = 2 years and 6 months Since Rate is given per month, we need to convert the time in months So, Time in months(T) = 2 * 12 + 6 = 18 months. Let the Principle sum be Rs .....
There is a device attached to the turbine (called dynamo or generator), which produces electricity when it is rotated. In this way, the turbine helps to generate .....