Email

Chat with tutors

Login

Ask Questions, Get Answers

Menu X

home ask tuition questions practice papers mobile tutors pricing

X

Questions >> CBSE XI >> Math >> Trigonometric Functions

Next similar question

Answer

Comment

Share

Q)

If $3\tan \theta\tan\phi=1$ ,prove that $2\cos (\theta+\phi)=\cos (\theta-\phi)$

Found 1 answer. Click to login & view.

Next Similar Question >

Feedback Terms Facebook Twitter About Us

Your payment for is successful.

...