What is the inverse of sin 60° ?
2
√3
2/√3
1
Find the value of .
3
4
If secθ + tanθ = 3 and secθ - tanθ = n, then value of mn is
± 1
± 2
sin 450 - cos 450 =
0
5
7
If tan A = 4/3, then sinA, cosA are
sinA = 4/5, cos A = 3/5
sinA = 5/4 , cosA = 5/3
sin A = 3/4 , cosA = 4/3
sinA = 35/4, cosA = 0
If sec 5A = cosec (A - 20), where 5A is an acute angle, then the value of A is
18.3
24
25
23
If sin 3A = cos (A - 26), then the value of A is
20
28
27
29
Solve for φ, if tan5φ = 1
8o
45o
5o
9o
If x cosθ - y sinθ = a, x sinθ + ycosθ = b, then x2 + y2 =
a2 + b2
a + b
(a + b)2
a2 + b
If 4 sin 2 θ - 1 = 0 and θ is less than 90o, then the value of θ is
60o
90o
30o
