Use the Given Function Value(s), and Trigonometric Identities (Including the Cofunction

Multiple Choice

Use the given function value(s) , and trigonometric identities (including the cofunction identities) , to find the indicated trigonometric functions.
sin 30° = $\frac { 1 } { 2 }$ , cos 30° = $\frac { \sqrt { 3 } } { 2 }$
sin 60° and cos 60°

A) sin 60° = 2 and cos 60° = $\frac { 1 } { 2 }$
B) sin 60° = $\sqrt { 3 }$ and cos 60° = $\frac { 1 } { 2 }$
C) sin 60° = $\frac { \sqrt { 3 } } { 2 }$ and cos 60° = $\sqrt { 2 }$
D) sin 60° = $\frac { \sqrt { 3 } } { 2 }$ and cos 60° = $\frac { 1 } { 2 }$
E) sin 60° = $\frac { \sqrt { 3 } } { 2 }$ and cos 60° = 2