Question

If sin² theta + 3cos theta =2 then the value of theta is
(a) 30°
(b) 45°
(c) 60°
(d) 90°
Answer it fast please​

Answer 1

Step-by-step explanation:

Given : sin^2Q + 3cosQ = 2

sin^2 45°+3cos 45°=2

(1/√2)^2+3(1/√2)^2

1/2+3/2

= 4/2

= 2

LHS = RHS

Hence

Thetha = 45°

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