Question
Asked Dec 12, 2019
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cosΘ = -1/3

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Expert Answer

Step 1

Use cos inverse to find theta. 

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coso= 3 (-) 0=cos 3

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Step 2

Using calculator we find general solution.

Cos is negative in second and third quadrant.&n...

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0=cos 0=1.910633236 radian or 4.372552071 radian [solution in [0,2x) ] 0=1.910633236+2äk radian or, 4.372552071+2īk radian [ general solution ]

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Tagged in

Math

Calculus