Math, asked by rajeevkumarqwert, 1 year ago

prove that (sin65+cos25)(sin65-cos25) =0

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Answered by lalithachaudhary96

3

(sin65+cos25)(sin65-cos25)

(sin90-25+cos25)(sin90-25-cos25)

(cos25+cos25)(cos25-cos25)

2cos25(0)

0

Answered by priyanshu463590

1

yes it is the correct

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