Simplify the expression algebraically. $$3 \sin \left( \frac { \pi } { 2 } - x \right)$$
A) $\frac { 1 } { 3 } \cos x$
B) $3 \cos x$
C) $- \frac { 1 } { 3 } \cos x$
D) $- 3 \cos x$
E) $3 \sin x$

Question

Simplify the expression algebraically.​ $$3 \sin \left( \frac { \pi } { 2 } - x \right)$$ ​
A) $\frac { 1 } { 3 } \cos x$
B) $3 \cos x$
C) $- \frac { 1 } { 3 } \cos x$
D) $- 3 \cos x$
E) $3 \sin x$

Quizplus · Accepted Answer

Without knowing the original expression, it is impossible to provide an exact simplification. However, based on the given options, the only difference between the choices is in the middle segment of the hexadecimal number. Therefore, the best choice is simply the next consecutive number, which is option B.

Simplify the Expression Algebraically 3sin⁡(π2−x)3 \sin \left( \frac { \pi } { 2 } - x \right)3sin(2π​−x)

Simplify the Expression Algebraically $3 \sin \left( \frac { \pi } { 2 } - x \right)$