Math, asked by akbar78637, 1 year ago

if A,B and C are interior angles of a triangle ABC then show that: sec2(B+C/2) -1 = cot2 A/2

Answers

Answered by Anonymous
6
hopefully it helps you
Attachments:

Anonymous: Please mark it brainliest
Anonymous: Please mark it as brain liest
Anonymous: Please
Answered by KnowMore
9
Nice question.
Answer explained below.
Comment below if any doubt occurs to you.

Attachments:
Similar questions