Question

find value of 3 sin^2 45° + 2 cos ^2 60°​

Answer 1

$= 3 \sin {}^{2} ( 45 ) + 2 \cos {}^{2} (60) \\ = 3 \times \frac{1}{2} + 2 \times \frac{1}{4} \\ = \frac{3}{2} + \frac{1}{2} \\ = \frac{4}{2} = 2$

Answer 2

Answer:

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Step-by-step explanation:

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