Question

if (2 sin theta-1) (2 sin theta+1)=0 then find the value of theta​

Answer 1

(2sin∅+1)(2sin∅-1)=0

The values will be

Sin∅= 1/2 and sin∅= -1/2

Since negative numbers are not applicable,

The answer will be,

Sin∅=1/2= 30°

Answer 2

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