Use the exact value triangles in the diagram below to answer the following:

a

What is the exact value of $\sin30^\circ$`s``i``n`30°?

b

What is the exact value of $\sin60^\circ$`s``i``n`60°?

c

What is the exact value of $\sin45^\circ$`s``i``n`45°?

Easy

Approx 2 minutes

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Use the unit circle to define trigonometric functions, and graph them with and without the use of digital technologies.