The identity is not correct. Actually it should be

8(1+sinπ/8)(1+sin3π/8)(1−sin5π/8)(1−sin7π/8)=1

Left hand .....

Let  be the complement of angle . From given statement,

                                    ⇒ .....

solution: Here Rs. 100 income --------> Rs.1 social tax Rs. 1 income -----------> 1/100 social tax then, Rs.385200 income -----> 385200 x 1/100 = Rs.3852 Therefore, she will pay Rs.3852 as a social security .....

here, Indian Re.24000 = Nepali 24000 x1.6= Nepali Rs.38400 we know, 1 dollars = Rs. 128.60 so,Nepali Rs.38400 = 38400/128.60 = Dollars 298.6  Therefore, 298.6 dollars will we get from 24000 indian .....

Meaning of :  Ignorant     :-lacking knowledge or awareness in general; uneducated or unsophisticated Dimension  :-a measurable extent of a particular kind, such as length, breadth, depth, or height Distraction  :-a .....

Generally , a fertilized matured ovule together covered with seed coat are called seed. That means seed is the germinatory part of a fruit.They are very small and with the help of seeds we grow .....

We know,  1 kg  = 1000g So, 15 kg  = 15 x 1000 = .....

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You may know that, angles in a linear pair sum to 180o . Since 4x and 5x are linear pair, 4x + 5x = 180o x = 180/9 = 20o Now,  find the value of 4x and 3x and comment it .....

Study of energy is known as .....

The capital of nepal is .....

Face value = 6 place value = 600000 ( six .....

Local names are used in a given region and change from one region to another while scientific names are universally known and used. Common names comprise of a single name while scientific .....

 Telehealth is defined as the use of electronic information and telecommunications technologies to support long-distance clinical health care, patient and professional health-related education, public health and health .....

Sources are the thing from which something  can be obtained. Forexample: the sources of energy for your body is food. The sources of income is .....

Inventions that changed the history of communication are mobile phone, internet, computer devices .....

  40009 +       3   .....

The chosen standard of measurement of a quantity which has essentially the same nature as that of the quantity is called the unit of quantity. like unit of length is meter .....

A rehabilitation center can be understand as a centre where people with an alcohol or drug addiction are .....

soln: from question: f(x)=mx+c....i then, f(-6)=8 or,-6m+c=8...ii f(6)=2 or,6m+c=2....iii substracting eq iii from i we get, -12m=6 Therefore, m = -1/2 again on substitution on eq iii or,6*-1/2+c=2 or,-3+c=2 Therefore, c=5 now, on substution .....

Answer: as we have, n(PuQ) = n(P)+n(Q) - n(PnQ) so,            = 40+50-30 = 60 Therefore,n(PuQ)  .....

Those sources of energy other than fossil fuels (such as coal, petroleum, and diesel) are consider as a alternative source of energy. This includes all kind of renewable sources of energy like,Solar energy ,Biogas, Wave and tidal energy .....

The difference between equator and prime meridian are as follows:- equator is 0 degree latitude while prime meridian is 0 degree longitude. equator equally divided into parts,i.e. Northern hemisphere and Southern hemisphere while the prime .....

The physical differance between alligator and  crocodile is that , alligators have U-shaped faces that are wide and short, while crocodiles have slender almost V-shaped muzzles. as you see in the figure shown below:     now tell me .....

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Increasing order is a method of arranging numbers from smallest value to largest value. For example: 1,2,3,25,56 is in increasing order, second number is greater than first one and third is greater than second one, it goes on like this in increasing .....

 If the si sustem was not introduced then poor measurement system can makes data meaningless and process improvement impossible. There will occur maximum errors while performing the measuremental .....

The energy sources which are being replenished constantly are known as renewable energy sources.This means that we can use them as much as we want, and we do not have to worry about them running out.

For examples :

soln: give, cp= Rs.2100 let mp be x then  or,x - 30% of x = 2100 or,100x-30x =210000 or,70x = 210000 Therefore, Mp= x = Rs.3000 Sp after allowing 20% discount = 3000 - 3000 x 20/100                 .....

Soln: = (2a+3)²-(2a-3)² = 4a2 +12a + 9 - 4a2+12a-9 =24a Therefore, (2a+3)²-(2a-3)² = .....

Solution:

Let 'x' be the required angle

Supplementary angle of 'x' = 180 -x

Complementary angle of 'x' = 90 -x

6 degree less than three times it complement = 3(90 -x) - 6

Since The .....

Penguins are a group of aquatic birds. They found  in the Southern Hemisphere, with only one species, the Galápagos penguin, found north of the equator. They are highly adapted for life in the water. The penguins have countershaded dark .....

Scientific learning is the learning that would implemented in to practice.It  means that a person can ask, find, or determine answers to questions derived from curiosity about everyday experiences. It means that a person has the ability to .....

A proton os a stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 × 10−27 kg, which is 1,836 times the mass of an electron.When the number of protons in a .....

given =3xy +4xy = .....

The importance of experiments in scientific method: 1.It provides an objective, standardized approach to conducting experiments, 2.It improves results. 3.Scientists can feel confident that they will stick to the facts and limit the influence of .....

To find a percentage, first identify the number of which you want to find percentage then divide it with your total number , after that multiply by 100, then you will get a percentage. For example: you score 60 in your terminal exam and full marks .....

As you know , observation means receiving knowledge from surrounding. Similarly, scientific observations means any data recorded  during an scientific experiment. When we perform scientific experiment , we observe it and come to an .....

In an average most of the tortoide live around 80 - 150 .....

The collection of  number of distinct elements in a finite set is called its cardinal number set. It is denoted as n(A) and read as ‘the number of elements of the set’.

For example:

(i) Set A = {2, 4, 5, 9, 15} .....

The application of energy in our daily life are as follows: 1.Heat energy helps in cooking food, 2.Electrical energy is used to conduct electricalequipment. 3.Solar energy is used to charge battery, 4.Fuel energy is used to run machinery .....

 "1" is the number which is the square root and square of its .....

The reason of using appropriate unit for measurement are;- 1. They are easier to calculate and use with. 2. It can measure with better accuracy. 3. Their magnitude and units are more understable. 4. It would be easy to identify the .....

Yes this is true, and the process of transfering pollen grains from anther to stigma of a flower is called .....

X=0 is the equation of  the y-axis. It cross the x-axis at origin with the vertical line. The following is the graph of the equation .....

Science is the process of  learning the natural world with observations and experiments. Like you study about sun and solar system , this is also a .....

Solution: Total surface of cube = 6l2 = 6 × (6 cm) 2 = 126 .....

The set containing all objects or elements  is called Universal set. If a={1,2,3} and b={2,3,4,5} then U={1,2,3,4,5} and U is the universal .....

To clean our body and Protect our skin from germs and bacteria we need to take shower .....

The two plants from which we get jut fibre are Cotton and .....