If 2 cos2x + 3 sin x -3 = 0, 0≤ x,≤1800, then x =
300, 900,1500
600,1200,1800
00,300,1500
450, 900,1350
Sin90o = ______________
0
1
∝
none
The value of θ in between 0o and 360o ans satisfying the equaiton tan θ + 1/√3 = 0 is.
θ = 150o and 30o
θ = 120o and 300o
θ = 60o and 240o
θ = 150o and 330o
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
Cos 134o = ___________
-0.6947
0.7947
-0.6375
0.2945
If sin 2θ + sin 2 Φ= 1/2 and cos 2θ + cos 2 Φ = 3/2, then the value of cos2 (θ - Φ) is.
3/8
5/8
3/4
5/4
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
Cosecθ = 1/_
Cosθ
Sinθ
tanθ
Cotθ
____________=1+tan2θ
cos2θ
sec2θ
cosec2θ
cot2θ
If cos θ = -1/2 and 0 < θ < 360o, then the values of θ are.
120o and 300o
60o and 120o
120o and 240o
60o and 240o
