Question

sin a+b =1 and sin a- b =1/2;0 <a+b<90 degree ; angle a> angle b find angle ​

Answer 1

Answer:

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Answer 2

Answer:

sin ( A + B ) = 1 = sin 90°

sin ( A - B ) = 1/2 = sin 30°

A + B = 90°

+A - B = 30°

_____________

2A = 120°

A= 120°/2

A= 60° → B = 30°

A=60°

B = 30°