sec A
sin A cos A
sin A
Find the value of x if, sin x = sin 60° cos 30° - cos 60° sin 30°
30°
45°
60°
90°
cosec θ - 1
1 + sec θ
cosec θ
cosec θ + 1
2
1
4
3
Evaluate: cos240° + cos250°.
0
Evaluate: sin2 35° + sin2 55°
6
Evaluate: cos40° cosec50° + sin50° sec40°
Evaluate: sin42º sin 48° - cos42° cos48°.
1/4
1/3
Evaluate: sin 27° sin 63° - cos 63° cos27°.
