Question

Trignometry question please help me

Answer 1

may it help you

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Answer 2

${\huge {\mathfrak {\pink {Answer :-}}}}$

We have,

cos (A + B) = root 3 / 2

cos (A + B) = cos 30°

A + B = 30°

$<b>Hence, the value of (A + B) is 30° </b>$

That's it..