Find the Right Side of the Identity $\frac { \sin s + \sin t } { \sin s + \sin t } = ?$

question 16

Multiple Choice

Find the right side of the identity. $\frac { \sin s + \sin t } { \sin s + \sin t } = ?$

• A) \(\tan \left( \frac { s + t } { 2 } \right)\)
• B) \(\tan ( s - t )\)
• C) \(\sin ( s + t )\)
• D) \[\cot \left( \frac { s + t } { 2 } \right)\]
• E) \(\tan \left( \frac { s - t } { 2 } \right)\)

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Typical Behaviour

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