What is the value of sin 180 degrees?

B. 0 — The sine function represents the y-coordinate on the unit circle. At 180 degrees, the point on the unit circle is (-1, 0), so the sine value is 0.

JEE Main · MathematicsEasy

$sin (18 0^{\circ})$

A. $1$
B. $0$
C. $- 1$
D. $1/2$

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Correct answer: B — $0$

Solution

On the unit circle, the coordinates at 18 0^{\circ} are (- 1, 0) . The sine value corresponds to the y-coordinate, which is 0 .

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sin(180∘)

Solution

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$sin (18 0^{\circ})$