The general value of θ which satisfies the equations sin θ = 1/2 and tan θ = 1/ √3 is
2 n π ± π/6
n π + π/6
n π + (-1)'' π/6
2 n π + 7π/6
If sin2θ- cosθ= 1/4, 0≤ θ ≤ θ 2 π, the value of θ is.
2π/3, π/3
π/3, 5π/3
- π/3, 2π/3
- 2π/3, 5π/3
If sin θ = √3 cos θ, - π < θ
- 5 π/6
- 4π/6
4π/6
5π/6
(1+ tanA)2 + (1-tanA)2 =
sec2A
secA
2sec2A
The equation sinx+ cosx = 2 has
Infinite solutions
Two solutions
Unique solution
No solution
If sin2 θ= 1/4, the general value of
2 n π ± (-1)n π/6
n π/2 ± (-1)'' π/6
n π± π/6
tan675o = ____________
0
1
-1
none
If sin x + sin2 x = 1 then the value of cos12 x + 3 cos10 x + 3 cos8 x + cos6 is.
2
3
If sin θ + cos θ =1 , the general value of θ is
2 n π
n π + (-1)n π/4 - π/4
2 n π+ π/2
n π+ π/2
Sinθ*cosecθ = ____________
180