trigonometry · worked example

Solve sin(90°)

Method: special angle. Verified step-by-step solution with our free AI math solver.
Problem

sin⁡(90°)\sin(90°)

Step-by-step solution

  1. 90°90° is the top of the unit circle, point (0,1)(0, 1).

  2. Sine equals the y-coordinate: sin⁡(90°)=1\sin(90°) = 1 — the maximum value of sine.

Answer

sin⁡(90°)=1\sin(90°) = 1

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