Question

prove that sec 90°-A = cosec A​

Answer 1

Answer:

TAKE SEC (90° - A )

HERE NOTICE 90° .

SO SEC THETA SHOULD BE CHANGED TO COSEC THETA AND IT IS 1 ST QUDRANT SO THE ANSWER IS POSITIVE .

HENCE SEC (90° - A) = COSEC A.

Answer 2

Answer:

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