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

question 43

Multiple Choice

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) \(3 \sin x\)