Question: If f() = sin and f(a) = 1/3 find the exact value of: (a) f(-a) (b) f(a) + f(a + 2) + f(a +

If f(θ) = sin θ and f(a) = 1/3 find the exact value of:

(a) f(-a)

(b) f(a) + f(a + 2π) + f(a + 4π)


Use the periodic and even–odd properties.

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