write following formula cos(90+A)=? Question write following formula cos(90+A)=? in progress 0 Math Caroline 2 months 2021-08-12T19:22:12+00:00 2021-08-12T19:22:12+00:00 2 Answers 0 views 0

## Answers ( )

the formula is cos( 90+A) = sin A

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Answer:sinA

Step-by-step explanation: