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Atul Karwal(Senior IPS Officer) has been appointed as the Director General of National Disaster Response Force (NDRF).
(cos5°+sin5°)/(cos5°-sin5°) is equal to:
If sin(3x - 2o) = cos(2x + 22o), then find the value of: {3tan(4x - 11o) + cosec(5x - 10o)} X cot(2x + 2
sin2 7˚ + sin2 9˚ + sin2 11˚ + sin2 12˚ + ……… + sin2 83˚ = ?
If tan θ + cot θ = 5, find the value of tan²θ + cot²θ.
sin2 12˚ + sin2 14˚ + sin2 16˚ + sin2 18˚ + ……… + sin2 78˚ =?
If 1 + sin 2θ = p2 and sin3 θ + cos3 θ = q then Which of the following is true ?
1. q3 – 2p + ...
if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
If A and B are complementary angles, then the value of-
sin A cos B + cos A sin B – tan A tan B + sec 2
Two buildings are 40 meters apart. The height of one building is 20 meters. From the top of the shorter building, the angle of elevation of the top of t...