Math, asked by supratikdutta651, 10 months ago

If A + B = 90°. show that: cosA=√cosA/sinB-sinAcosB

Answers

Answered by piyushprkprajapat838

0

Answer:

$2222 { {x \times \frac{?}{?} }^{2} }^{2} 2536$

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