Which of the following relation is true?
If cos θ = 3/4, then sin θ =
3/4
4/3
√7/4
√2/3
If a sin θ = 1 and b tan θ = 1, then the relation between a and b is
a2 = b2
a2 - b2 = 1
a2 + b2 = 1
a2 + b2 = -1
1/5
1/3
3/5
5/4
If sec θ = 2 then sin θ =
1/2
3/2
1/√3
√3/2
In the figure find sin (90o - θ )
4/5
5/3
If 2 sin θ = √3, then cos θ =
2/√3
2
If cosec θ = √5, then cot θ - cos θ =
sin2 50+ cos2 50 =
1
0
1.25
2.32
If 5 cos A - 12 sin A = 0, then the value of is
17/12
17/19
19/12
19/17