Prove (SinA + Cosec A)² + (cosA + secA)²= 7 + tan²A + cot²A
Answers
Answered by
5
Answer:
PROVED
Step-by-step explanation:
=(sinA+cosecA)²+(cosA+secA)²
=sin²A+cosec²A+2sinAcosecA+cos²A+sec²A+2cosAsecA
=sin²A+cos²A+cosec²A+sec²A+2sinA×1/sinA+2cosA×1/cosA
=1+cosec²A+sec²A+2+2
=5+(1+cot²A)+(1+tan²A)
=7+tan²A+cot²A
LHS = RHS
HOPE IT HELPS
PLEASE MARK ME AS BRAINLIST
Answered by
4
Answer:
Hope it helps plz make me as brainlist
Step-by-step explanation:
Step-by-step explanation:
=(sinA+cosecA)²+(cosA+secA)²
=sin²A+cosec²A+2sinAcosecA+cos²A+sec²A+2cosAsecA
=sin²A+cos²A+cosec²A+sec²A+2sinA×1/sinA+2cosA×1/cosA
=1+cosec²A+sec²A+2+2
=5+(1+cot²A)+(1+tan²A)
=7+tan²A+cot²A
LHS = RHS
Similar questions