Math, asked by mandyguha, 8 months ago

cos ( A+ B) = 1/2 = sin (A - B) , find B. Please answer as fast as possible

Answers

Answered by Anonymous

1

Step-by-step explanation:

cos {A+B} = COS 60

A + B = 60

A-B = 30

2A = 90

A = 45

B= 15

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