Math, asked by sourav171102, 1 year ago

pls fast ...........



If m = cos A - sin A and n = cos A + sin A ; show that





m²+n² = 1 secA.cosA=(cotA+ tanA)
____ _ _________
m²-n² 2 2

Answers

Answered by razy7292pblvn2
1
given,
see first image.
Now,
see 2nd and 3rd image.

the proof is completed
i \: hope \: u \: like \: it
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