Question

( sin+ cosec)^2+(cos +sec)^2= 7+ tan^2+ cot^2 prove​

Answer 1

Answer:

(sin+cosec)^+(cos+sec)^

sin^+cosec^+2sincosec + cos^+sec^+2cossec

sin^+cos^ + 2 sin×1/sin + cosec^+sec^+2cos ×1/cos

1+ 2(1) + 1+cot^ + 1+ tan^ +2(1)

1 +2+1+cot^+1+tan^+2

7+cot^+ tan^

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Answer 2

Answer:

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