$\sin \left( 1140 ^ { \circ } \right)$
A) $\sqrt { 3 }$
B) $\frac { \sqrt { 2 } } { 2 }$
C) $\frac { 1 } { 2 }$
D) $\frac { \sqrt { 3 } } { 2 }$

Name: $\sin \left( 1140 ^ { \circ } \right)$ A) $\sqrt { 3 }$ B) $\frac { \sqrt { 2 } } { 2 }$ C) $\frac { 1 } { 2 }$ D) $\frac { \sqrt { 3 } } { 2 }$
Brand: Quizplus
Rating: 4.8 (34 reviews)

Question

Quizplus · Accepted Answer

The sine function has a period of $360^\circ$, so $\sin(1140^\circ) = \sin(1140^\circ - 3 \times 360^\circ) = \sin(60^\circ) = \frac{\sqrt{3}}{2}$.

sin⁡(1140∘)\sin \left( 1140 ^ { \circ } \right)sin(1140∘) A) 3\sqrt { 3 }3​

$\sin \left( 1140 ^ { \circ } \right)$ A) $\sqrt { 3 }$