Convert the angle to decimal degrees and round to the nearest hundredth of a degree.
-$\sin ^ { 2 } 360 ^ { \circ } + \cos ^ { 2 } 360 ^ { \circ }$
A) 1
B) 2
C) $\sqrt { 3 }$
D) $\sqrt { 2 }$

Question

Quizplus · Accepted Answer

This expression is an application of the Pythagorean trigonometric identity, which states that $\sin^2 \theta + \cos^2 \theta = 1$ for any angle $\theta$. Therefore, regardless of the angle (in this case, $360^\circ$), the expression equals 1.

Convert the Angle to Decimal Degrees and Round to the Nearest