Math, asked by k75211565, 6 months ago

cosA=4/5,cosB=12/13,where A and B lie in 4th quadrant. Find A+B

Answers

Answered by sangamscr011

2

Answer:

cos (A + B) = 33/ 65

A + B = cos^-1 ( 33/65)

Step-by-step explanation:

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