Question

(sin+cosec)power2+(cos+sec)power2=7+tanpower2+cotpower2​

Answer 1

Answer:

L.H.S:

( sin A + cosec A)² +(cos A +sec A)²

=sin²A+ cosec² A+ 2 sin A cosec A+ cos²A+sec²A+2 cosA secA

=(sin²A +cos² A) +(1+cot² A)+2×1+(1+tan²A)+2×1

=1+6+cot²A+tan²A

=7+tan²A+cot²A=R.H.S.

HOPE IT HELPS YOU

PLEASE MARK THE BRAINLIEST

THANKS IN ADVANCE FOR MARKING BRAINLIEST.