Question

please please help me out for solving this question

Answer 1

2cosA=√3

cosA=√3/2

A=30°

sin(90-A)+sinA/2cosA

sin(90-A)=cosA

cosA+sinA/2cosA

cos30°+cos30°/2cos30°

2cos30°/2cos30°

=1. ✓

thank you

Answer 2

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