Question

find the value of cos3π/2​

Answer 1

Step-by-step explanation:

Yes

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Answer 2

Answer:

-1

Step-by-step explanation:

$\frac{3\pi}{2} = \: 180⁰$

⇒ $\cos( \frac{3\pi}{2} ) = \cos(270⁰) = - 1$