Evaluate: 3cos 80° cosec 10°+ 2cos 59° cosec 31°.
3
1
5
0
2
4
cosec θ - 1
1 + sec θ
cosec θ
cosec θ + 1
Find the value of x, if sin2x = 2 sin 45° cos 45°
0°
30°
45°
90°
Evaluate: sin(90° - A) cos A + cos (90° - A) sin A
