CarissaKuehl CarissaKuehl

21-01-2017
Mathematics

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Find the exact value of the expression if θ = 30°. Do not use a calculator.

f(θ) = cos θ Find 9 f(θ).

answer choices are uploaded please work this out so I can understand how you got the answer! Thank you!

Find the exact value of the expression if θ 30 Do not use a calculator fθ cos θ Find 9 fθ answer choices are uploaded please work this out so I can understand h class=

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foggles foggles

21-01-2017

From my knowledge, I know that cos(30) = ((2)^(1/2))/2, therefore 9cos(30) = 9((2)^(1/2))/2

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