Question

if sin (A-B)=1/2 and cos (A+B)=1/2 0<A+B<90° then find the value of A and B​

Answer 1

hope this will help you ..

Answer 2

Answer:

A = 60 and B = 30

Step-by-step explanation:

Solving, sin( A-B)= 1/2

sin(A-B) = sin 30

A-B = 30 ...........equation 1

Solving, cos(A+B) = 1/2

cos(A+B) = cos 90

A+B = 90 ..............equation 2

Comparing equation 1 and equation 2,

We get,

A = 60 and B = 30

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