Find the sine of the angle in standard position in which the terminal side passes through the point (3, 4)

Find the sine of the angle in standard position in which the terminal side passes through the point (-5, 12)

The remaining side = 5 (use Pythagoras or 3, 4, 5 triangle)

Sin of the angle = vertical/ hypotenuse or y/r = 4/5

(square root (5^2 + 12^2)

and Sin of the angle = vertical/ hypotenuse or y/r = 12/13

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