Evaluate the trigonometric function of the given quadrantal angle. If the value is undefined, write "undefined."
-$\sin 1170 ^ { \circ }$
A) 1
B) 0
C) undefined
D) $- 1$

Question

Quizplus · Accepted Answer

To find $\sin 1170^\circ$, we first reduce the angle to one within the first cycle of 360 degrees: $1170^\circ = 3 \times 360^\circ + 90^\circ$. Since sine is periodic with a period of 360 degrees, $\sin 1170^\circ = \sin 90^\circ = 1$.

Evaluate the Trigonometric Function of the Given Quadrantal Angle sin⁡1170∘\sin 1170 ^ { \circ }sin1170∘

Evaluate the Trigonometric Function of the Given Quadrantal Angle $\sin 1170 ^ { \circ }$