cos 0° + sin 90° + √2 sin 45° =
1
2
3
4
The value of tan 45° =
1/2
1 ⁄ √2
√3 ⁄ 2
sin² 30° + cos² 60° = ______ .
1 ⁄ 3
tan² 45° + 2 tan² 60° =
13
5
7
If sinθ =12 ⁄ 13 and θ is acute, then cosθ =
5 ⁄ 13
1 ⁄ 13
4 ⁄ 9
2 ⁄ 3
A straight line contains
135°
90°
360°
180°
sin 45° - cos 45° =
0
cot θ + tan θ =
sinθ.cosθ
sin θ. cosec θ
sec θ. sin θ
secθ. cosecθ
If the terminal side completes one revolution about its vertex, the angle made is _____ .
270°
cos 36 - sin 54 =
