Find the Derivative $$s = \sin t - e ^ { - t }$$

question 161

Multiple Choice

Find the derivative.
- $$s = \sin t - e ^ { - t }$$

• A) \(\frac { d s } { d t } = - \cos t + e ^ { - t }\)
• B) \(\frac { \mathrm { ds } } { \mathrm { dt } } = \cos \mathrm { t } + \mathrm { e } ^ { - \mathrm { t } }\)
• C) \(\frac { \mathrm { ds } } { \mathrm { dt } } = \cos \mathrm { t } - \mathrm { e } ^ { - \mathrm { t } }\)
• D) \(\frac { \mathrm { ds } } { \mathrm { dt } } = - \cos \mathrm { t } - \mathrm { e } ^ { - \mathrm { t } }\)

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