The value of is
3/16
3/8
3/4
1/2
cos 15o =
If sin-1 (1/2) = tan-1 x, find the value of x
√3
Sin (cos-1 (3/5) =
1/5
4/5
1/3
Cos (tan-1 3/4) =
2/5
1/4
In a ΔABC, ∠A = π/2, then cos2 B + cos2 C equals
-2
-1
1
0
If sin θ = 3/8 and θ is acute, find sin 2 θ
2
3
√2
ΔABC is right angled at C, then tan A + tan B is equal to.
a + b
