Question
Asked Oct 20, 2019
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If x
6 sin 0, write the expression 120 6 sin 20 in terms of just x. (Simplify the double angle using a double-angle identity.)
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If x 6 sin 0, write the expression 120 6 sin 20 in terms of just x. (Simplify the double angle using a double-angle identity.)

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Expert Answer

Step 1

The given expression is

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120 6 sin 20

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Step 2

It is given that,

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Step 3

Obtain the adjacent...

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(opposite si de)+(adjacent side) (hypotenuse) x)(adjacent side-(6)* (adjacent side) 36-x Thus adj cose hypotenuse V36-x2 6

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