Math, asked by mzansarzaid, 1 year ago

solve this question in detail

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Answered by s2912
2
this is ans for your question ..
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mzansarzaid: please explain on 4 atep
s2912: suppose a=sinx b=cosx in step 4 we have a^2+b^2 i have added and substracted 2ab to make complete sq
mzansarzaid: thankyou
s2912: welcome
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