sin 45° - cos 45° =
0
3
5
7
A straight line contains
135°
90°
360°
180°
cos 0° + sin 90° + √2 sin 45° =
1
2
4
sin² 45° + cos² 45° =
½
1 ⁄ √2
If xcosθ - ysinθ = a, xsinθ + ycosθ = b, then, x² + y² =
a² + b²
a + b
( a + b )²
a² + b
cot θ + tan θ =
sinθ.cosθ
sin θ. cosec θ
sec θ. sin θ
secθ. cosecθ
The union of two rays having a common end point is known as
Angle
Line
Line segment
Ray
If cosθ + sinθ = √2 cosθ, then, cosθ - sinθ =
sinθ
2sinθ
√2 sinθ
2 sin²θ
sin² 30° + cos² 60° = ______ .
1/2
1 ⁄ 3
√3 ⁄ 2
If sec 5A = cosec ( A -20), where, 5A is an acute angle. Find the value of A.
18.3
24
25
23
