If θ is positive acute angle and 4 sin2θ = 3, then the value of is
1
0
If and then the value of θ is
30°
45°
60°
75°
If then the value of is
3
2
If , the value of is
If sinA + sin2A = 1, what is the value of cos2 + cos4A = ?
ABC is a right angled triangle with Then the value of cos2A + cos2B + cos2C is:
The value of cosec260° + sec260° - cot260° + tan230° will be
5
If sin θ + cosec θ = 2, the value of sinn θ + cosecn θ is
2n
C.
If sinθ + cosecθ = 2,then sinnθ + cosecnθ = 2
The value of is
-1
If then the value of x2 + y2 + z2 is
2a2
4a2
9a2
a2