cos 0° + sin 90° + √2 sin 45° =
1
2
3
4
If sec 5A = cosec ( A -20), where, 5A is an acute angle. Find the value of A.
18.3
24
25
23
A right angle is equal to ____ degrees.
180°
90°
270°
360°
If sin 3A = cos (A -26), then A =
29
28
27
26
A minute hand of a table clock is 3 cm long. How far will its tip move in 20 minutes?
10 cms
9 cms
22 cms
44 / 7 cms
sin ( A + B ) =
sinA cosB - cosA sinB
sinA cosB + cosA sinB
sinA sinB + cosA cosB
sinA sinB - cosA cosB
If tan 5θ = 1, then θ = ______ .
8°
45°
5°
9°
sin² 30° + cos² 60° = ______ .
1/2
1 ⁄ 3
√3 ⁄ 2
If sinθ = ½ , then 3cosθ - 4 cos3θ =
cosθ
cos²θ
0
A sexagecimal measure of 72° is equal in circular measure to
