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Solve the Problem f(θ)=cot⁡θf ( \theta ) = \cot \theta And f(a)=−4f ( a ) = - 4

Question 301

Multiple Choice

Solve the problem.
-If f(θ) =cot⁡θf ( \theta ) = \cot \theta and f(a) =−4f ( a ) = - 4 , find the exact value of f(a) +f(a+π) +f(a+3π) f ( a ) + f ( a + \pi ) + f ( a + 3 \pi ) .


A) −4- 4
B) −12+4π- 12 + 4 \pi
C) −12- 12
D) undefined

Correct Answer:

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