यदि (cos 3 alpha)/(cos alpha) = (1)/(3),...

यदि `(cos 3 alpha)/(cos alpha) = (1)/(3), 0 lt alpha lt (pi)/(2)` है, तो `(sin 3 alpha)/(sin alpha)` का मान बराबर है

A

`(3)/(7)`

B

`(2)/(5)`

C

`(5)/(2)`

D

`(7)/(3)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

Promotional Banner

Promotional Banner

Recommended Questions

यदि (cos 3 alpha)/(cos alpha) = (1)/(3), 0 lt alpha lt (pi)/(2) है, तो...
Text Solution
|
यदि 7 sin alpha=24 cos alpha,0 lt alpha lt (pi)/(2) है तो 14 tan alph...
Text Solution
|
int(0)^(pi) x/(1+cos alpha sin alpha) dx, 0 lt alpha lt pi
Text Solution
|
If 0 lt alpha lt (pi)/(2) and sin alpha + cos alpha = sqrt2, then the ...
Text Solution
|
If sin alpha = (-3)/(5), where pi lt alpha lt (3pi)/(2), then cos (...
Text Solution
|
If sin alpha =(3)/(5) , where (pi)/(2) lt alpha lt pi , evaluate cos ...
Text Solution
|
If sin alpha = 3/5, where (pi)/2 lt alpha lt pi, evaluate cos 3 alpha.
Text Solution
|
If 0 lt alpha, beta lt pi and they satisfy cos alpha + cosbeta - cos(a...
Text Solution
|
Let alpha , beta be such that pi lt alpha - beta lt 3 pi . If sin alph...
Text Solution
|