Prove the following identity (sinA−cosecA)2+(cosA−secA)2=tan2A+cot2A−1
Answers
Answered by
2
Step-by-step explanation:
(sinA-cosecA)²+(cosA-secA)²
=sin²A+cosec²A-2+cos²A+sec²A-2
=1+1+cot²A+1+tan²A-4
=tan²A+cot²A+3-4
=tan²A+cot²A-1
Similar questions