Without using a calculator, give the exact trigonometric function value with rational denominator.
-$\sin 60 ^ { \circ }$
A) $\frac { \sqrt { 3 } } { 2 }$
B) $\sqrt { 3 }$
C) $\frac { \sqrt { 2 } } { 2 }$
D) $\frac { 1 } { 2 }$

Question

Quizplus · Accepted Answer

The exact value of $\sin 60 ^ { \circ }$ is $\frac { \sqrt { 3 } } { 2 }$, which is a well-known result from the unit circle and special right triangles.

Without Using a Calculator, Give the Exact Trigonometric Function Value sin⁡60∘\sin 60 ^ { \circ }sin60∘

Without Using a Calculator, Give the Exact Trigonometric Function Value $\sin 60 ^ { \circ }$