2 years ago

If cos B is 4/5 what is sin a?

Mathematics

1 answer:

Keith_Richards [23]2 years ago

8 0

Answer:

sin(A+B)=sinAcosB+cosAsinB. Putting the values in. sin(A+B)=(4/5)(−3/5)+(3/5)(−4/5). sin(A+B)=−24/25.

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If cos B is 4/5 what is sin a?​

If cos B is 4/5 what is sin a?