(1-cosA)(1+cosA)(1+cot^2A) SIMPLIFY THIS
Answers
Answered by
11
Answer:
hi mate ...
here is your answer
Step-by-step explanation:
(1-cosA)(1+cosA)(1+cot^2A)
= (1+cosA-cosA-cos^2A)(1+cot^2A)
=1-cos^2A (1+cot^2A)
=sin^2A (1+cot^2A)
=sin^2A+sin^2A×cos^2A/sin^2A
=sin^2A+cos^2A
=1
hope it will help you
mark as brainlest
Answered by
5
Answer:
here is your answer ..repalce the value of ø in A..
Attachments:
Similar questions