Question

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Answer 1

Answer:

cos 30 = √3/2 ( RHS)

$\sqrt{ \frac{1 + cos2(30)}{2} }$

$\sqrt{ \frac{1 + cos60}{2} }$

$\sqrt{ \frac{1 + \frac{1}{2} }{2} }$

$\sqrt{ \frac{ \frac{3}{2} }{2} }$

$\sqrt{ \frac{3}{4} }$

$\frac{ \sqrt{3} }{2}$

LHS

Answer 2

Step-by-step explanation:

plz plz plz plz answer the question right now who can give

Hmm