Grade 10Trigonometry

If sin(A-B) = ½, cos(A+B)= ½, 0B, find A and B.

Eesha Srivastava

10 Years agoGrade 10

2 Answers

Vijay Mukati

9 Years ago

Assume A-B = alpha and A+B = beta.
Now, Since sin (alpha) = cos (beta) = ½. Therefore alpha = beta = pi/4
Now solve the two equations A-B = pi/4 and A+B = pi/4. and find A and B.

Thanks.

mohan

9 Years ago

Hi friend,

the answer is A=pi/4

and B=0

THANKS Friend............................................................

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If sin(A-B) = ½, cos(A+B)= ½, 0B, find A and B.

Eesha Srivastava

2 Answers

Vijay Mukati

mohan

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