Math, asked by hemanth1234517, 10 months ago

prove the following Sin(n+1)α-sin(n-1)α/cos(n+1)α+2cos(nα)+cos(n-1)α=tanα/2​

Answers

Answered by vishi66priya
0

Step-by-step explanation:

plz check the solution

Attachments:
Similar questions