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Trigonometry 8 Online
OpenStudy (anonymous):

given that x=3 sin theta, express sqrt of 9 - x^2 as a trigonometric function without radicals. assume 0

OpenStudy (anonymous):

would it be 3 cos theta?

OpenStudy (anonymous):

|dw:1384143059968:dw|

OpenStudy (anonymous):

You are correct! @marktherizza

OpenStudy (anonymous):

awesome thank you...|dw:1384143162762:dw|

OpenStudy (anonymous):

would that be -1/4?

OpenStudy (anonymous):

No, it would not be.

OpenStudy (anonymous):

I will draw a triangle, so you can see whats happening.

OpenStudy (anonymous):

|dw:1384143477484:dw|

OpenStudy (anonymous):

Find how long is that leg marked with a ?

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