Math, asked by dilippsabhati87, 1 year ago

If tanA =ntanB and sinA= msinB prove that cos2A=m2-1/n2-1

Answers

Answered by adityakute1817
2
Done friend your and in photo
Attachments:
Answered by sandy1816
0

Answer:

Your answer attached in the photo

Attachments:
Similar questions