Home
Class 11
MATHS
Prove that (sin theta + sin 2 theta )/(1...

Prove that `(sin theta + sin 2 theta )/(1+cos 0 + cos 2 theta )= tan theta `

A

`"tan"(theta)/(2)`

B

`"cot"(theta)/(2)`

C

`tan theta`

D

`cot theta`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that sin^(2) theta + cos^(2) theta =1

(sin 2 theta)/( 1+ cos 2 theta ) =

( sin 3 theta )/( sin theta ) -(cos 3 theta )/( cos theta )=

If 0 lt theta lt pi/2 , the solution of the equation sin theta - 3 sin 2 theta + sin 3 theta = cos theta - 3 cos 2 theta + cos 3 theta is

( cos 3 theta - sin 3 theta )/( cos theta+ sin theta ) =

Prove that (sin theta -cos theta+1 )/( sin theta + cos theta -1) =(1)/( sec theta -tan theta ) [use the identity sec ^(2) theta =1 +tan ^(2) theta ]

show that (1 + cos theta - sin^2 theta)/[(1 + cos theta)sin theta] = cot theta

Prove that (1 + sec theta) / sec theta = sin^2 theta /(1 - cos theta)

If sin theta + sin^(2) theta =1 , " then " cos^(2) theta + cos^(4) theta =

Prove that (sin theta - cos theta + 1)/(sin theta + cos theta - 1) = (1)/(sec theta - tan theta) using the identity sec^(2) theta = 1 + tan^(2) theta .