Home
Class 11
MATHS
If tan beta=(n sin alpha cos alpha)/(1-n...

If `tan beta=(n sin alpha cos alpha)/(1-n sin^2alpha)` , show that `tan(alpha-beta)=(1-n)tan alpha dot`

A

`n tan alpha `

B

`(1-n) tan alpha`

C

`(1+ n) tan alpha `

D

`(tan alpha)/(n)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

(sqrt2 - sin alpha - cos alpha )/( sin alpha - cos alpha)=

If tan theta=(sin alpha- cos alpha)/(sin alpha+cos alpha) , then sin alpha+cos alpha =.................... A) sqrt2 cos, theta sqrt2 sintheta B) -sqrt2 sin theta, -sqrt2 cos theta C) sqrt2 sin theta , sqrt2 sin theta D) sqrt2 cos theta , - sqrt2 cos theta

If (2sin alpha)/({1+cos alpha + sin alpha})=y, then ({1-cos alpha+sin alpha})/(1+sin alpha)=

2 sin ^(2) beta + 4 cos (alpha + beta) sin alpha sin beta + cos 2 (alpha + beta )=

Answer the following questions. If A_alpha=[[cosalpha,sinalpha],[-sinalpha,cosalpha]] ,show that A_alpha.A_beta=A_(alpha+beta)

If tan beta=cos theta tan alpha , then prove that tan^(2)""(theta)/(2)=(sin(alpha-beta))/(sin(alpha+beta)) .

If 32 tan^8 theta =2 cos^2 alpha-3 cos alpha and 3cos2 theta =1, then the general value of alpha is

cos2alpha=(3cos2beta-1)/(3-cos2beta) , then tan alpha=

The sides of a triangle are sin alpha, cos alpha and sqrt(1+ sin alpha cos alpha) where 0 lt alpha lt (pi)/(2). Then the greatest angle of the triangle is-

If alpha, beta are solutin of 6 cos theta + 8 sin theta=9, then sin (alpha + beta)=