Math, asked by Anonymous, 10 months ago

If cosA=5/3, sinB=4/5 Find cos(A+B) where A and B are positive angles
cos(A+B)= cosAcosB-sinAsinB

Answers

Answered by shaukatalijauhar

1

Answer:

1+16i/15

Step-by-step explanation:

please refer to my attachment

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