Simplify the Given Expression Algebraically $\cos \left( \frac { \pi } { 2 } + x \right)$

question 6

Multiple Choice

Simplify the given expression algebraically. $\cos \left( \frac { \pi } { 2 } + x \right)$

• A) \(\cos x\)
• B) \(- \sin x\)
• C) \(\sin x\)
• D)1
• E) \(- \cos x\)

Recognize the importance of and differences between abstinence and celibacy in family planning.

Understand how oral contraceptives mimic pregnancy to prevent conception.

Assess the reliability of contraceptive methods during different sexual activities.

Identify viable contraceptive options for couples with specific needs or constraints.