If f(theta) = sin theta = 0.2 Find f(theta + pi)

Lennie Carroll 2020-12-28 Answered
If f(θ)=sinθ=0.2
Find f(θ+π)
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Expert Answer

yunitsiL
Answered 2020-12-29 Author has 108 answers
f(θ)=sinθ has a period of 2π such that consecutive half-period values have the same absolute values but alternate in sign.
Since f(θ+π) means the value of f(θ) after a half-period, then we only take the opposite of its value:
f(θ+π)=0.2
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