Trigonometry › Angles and radians › Point on the terminal side

Sine minus cosine from a terminal point

High school · ●○○○○ 10 pts

The terminal side of angle α\alpha passes through the point P(−2,4)P(-2,4). Find the value of sin⁡α−cos⁡α\sin\alpha - \cos\alpha. Round to two decimal places.

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trigonometric functionsPythagorean theorem