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Trigonometry › Angles and radians › Point on the terminal side

Cosine shifted by 3π/2 from a terminal side

High school · ●●○○○ 20 pts

Given that the terminal side of angle θ\theta passes through (−2,3)(-2, 3), find the value of cos⁡(θ+3π2)\cos\left(\theta + \frac{3\pi}{2}\right). Round to two decimal places.

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trigonometric functionscofunction identities