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Mathematics 14 Online
OpenStudy (anonymous):

The point P(21, 28) is on the terminal side of θ. Evaluate sin θ.

OpenStudy (calculusfunctions):

If you're ready, I'll guide you step by step.

OpenStudy (anonymous):

I'm ready

OpenStudy (calculusfunctions):

|dw:1374795835416:dw| As you're aware, there are four quadrants. Step 1: Locate the quadrant of the terminal arm

OpenStudy (calculusfunctions):

Can you show me where the point (21, 28) would be located on the plane?

OpenStudy (anonymous):

I know it would be in quadrant I

OpenStudy (calculusfunctions):

Alright so then we have |dw:1374796099944:dw| Do you see the right triangle? Do you understand thus far?

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