If cosθ + sinθ = √2 cosθ, then, cosθ - sinθ =
sinθ
2sinθ
√2 sinθ
2 sin²θ
If sinθ = ½ , then 3cosθ - 4 cos3θ =
1
cosθ
cos²θ
0
If cos 30° = √3 ⁄ 2, then cos 60° =
√3
√3 ⁄ 2
1/2
2
The union of two rays having a common end point is known as
Angle
Line
Line segment
Ray
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
The value of tan 45° =
1 ⁄ √2
45° is a / an
obtuse angle
acute angle
right angle
straight line
The trigonometric ratio of cos 60° =
2 ⁄ √3
If tan 5θ = 1, then θ = ______ .
8°
45°
5°
9°