Here,      sinA + cosA = 1 or, sinA = 1 - cosA Squaring both sides, we get sin2A = (1 - cosA)2 or, 1 - cos2A = 1 - 2cosA + cos2A   [ .....

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2x2 + 3x + 1 = 0 2x2 + ( 2+1 )x + 1 = 0 2x2 + 2x + x + 1 = 0 2x( x+ 1 ) +1( x+1 ) = 0 ( x+1 )( 2x+1 ) = 0 Either,                                  .....

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Let the present age of Gita be x. Then, the present age of Sita becomes x - 10. By question, x + 5 = 2( x - 10 + 5 ) x + 5 = 2( x - 5 ) x + 5 = 2x - 10 5 + 10 = 2x - x x = 15 x - 10 = 15 - 10 = 5 years Hence, the present age of Gita is 15 years .....

36. Aren't you disturbed by your children?  37. Isn't the more than reasonable price being demanded by them?  38. Haven't you been informed of the accident by Gita.  39. Hasn't she been chased by them?  40. .....

National days are the days of National importance commemorating the days of national importance like independence day, constitution day, unification day and others. In many nations like Nepal, the government provides holiday on those days. The .....

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Here,   - 1/3 ≤ x/3 + 2 < 1 Subtracting 2 in all sides,  - 1/3-2  ≤  x/3 + 2 -2  < 1 -2  or, - 7/3 ≤  x/3 <  -1 .....

Replacing the parliamentary democracy with the Panchayat system, King Mahendra adopted a measure to strengthen his direct rule. He established Panchayat Ministry. The country was divided into 14 Zones and 75 Districts. The constitution of Nepal .....

Here,  - 6 ≤ 4 - 2x ≤ 6 Subtracting 4 in all sides, - 6 - 4 ≤ 4 - 2x - 4 ≤ 6- 4 or, - 10 ≤  - 2x ≤  2 .....

During the Medieval period in Nepal, the King was all in all in the administration. The king was the head and ruler of the state. The administration was joint and shared by the brothers. In the case of an inefficient king, the ministers and .....

We divided it by minus and inequalities are .....

मानव संसाधन व्यवस्थापन भन्नाले संगठन भित्र मानिसको व्यवस्थापन सम्बन्धि दर्शन, कार्यविधि एवं .....

Yes,the main cause of environmental pollution is human activity because they are using the bikes vehicles so that the vehicles that releases the carbon dioxide and it causes global warming. due to this global warming the Ozone Layer could be .....

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Well, the government of Nepal has established a separate constitutional organ named Commission for the Investigation of Abuse of Authority(CIAA). It is the highest body to control corruption in the country. But, corruption is increasing day .....

Photo Voltaic Cell,Which converts Light energy into Electric Energy. Photo Voltaic cell is made of Silicon type Semiconductor, by Exchanging of Holes and Electrons inside the Semiconductor due to the light intensity falls on the solar .....

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Here, to factorize this we use comlete square method:      x4 + 7x2y2 + 16y4. =  (x2)2  + 2x2.4y2 + (4y2)2 - x2y2    .....

Here, Object = (-3, 5) Image = (-8, 2) Now,  Displacement = Image - object                        = (-8, 2) - (-3, 5)     .....

To find the preasent age of mother and son, we have to let them be x  and y respectively. So, from the frist condition,       x + 3=4(y + 3) or, x= 4y-9.............i) .....

Magnification is the process of enlarging the apparent size, not physical size, of something. This enlargement is quantified by a calculated number also called "magnification". .....

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In the adult stage of bee, the nuptial flight occurs. It is an important phase in reproduction. The main reason of this flight is the search of fast and fittest male by queen bee for mating and continue the succession of .....

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Here,  cosA/3 = 3/5 So, sinA/3 = √(1- cos2A/3) = √(1 - (3/5)2) = .....

We should do the following things to increase the literacy rate in Nepal: - The government should work with special plans and policies to increase the literacy in Nepal. - The awareness campaign on the importance of education should be .....

Here, We know,  cos2(7π/8) = cos2 .....

Here, circle touches the positive x-axis and negative y-axis. So, centre (h,k) = (r, -r) = (5, -5) So, equation of circle with radius 5 units is      .....

Here, in triangle ∆EBC & ∆EMN, ∡E = ∡E    [ Common angle in both triangle.] ∡EBC = ∡EMN  .....

= x2 + 5x - 24 = x2 + ( 8 - 3 )x - 24 = x2 + 8x - 3x - 24 = x( x + 8 ) -3( x+8 ) = ( x+8 ) ( x-3 .....

The slogans reflecting universal brotherhood are prepared below: "The world now is a global village, and the people in the world are neighbours." "International Brotherhood strengthens the peace and security in the .....

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Sustitution method: We have given, 2x - y - 3 = 0  ⟹ y = 2x- 3 ..........(i) 4x + y - 3 = 0...........(ii) Substituting the value of y from (i) in .....

Klinefelter syndrome is a chromosomal condition in boys and men that can affect physical and intellectual development. Its signs and symptoms vary among affected individuals. In some cases, the features of the condition are so mild that .....

I agree with the statement that democratic culture should be an integral part of national function. The government should be governed by democratic culture. If it is so, it carries out each and every work as per the need of the people. It .....

I am in class .....

H2SO4 + NaOH →Na2SO4 + .....

This is caused by the impurities present in zinc rod. When the zinc rod isimmersed in acid, the zinc atoms and the impurity atoms form a large number of local cells and the zinc rod gets consumed even when the cell is not in use. This .....

Ammonium chloride is used as an electrolyte in a battery, it is made into a watery paste and placed between the cathode and .....

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