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# Trigonometric Functions

SOH-CAH-TOA! Have you heard the call of the trig function? Use them to navigate the trickier sides (and angles) of geometric shapes.

# Specific Values of Trigonometric Functions

What is the value of $$\sin 30 ^ \circ$$?

What is the value of $$\cos 45 ^ \circ$$?

What is the value of $$\tan 60 ^ \circ$$?

What is the value of $$\sin^2 0 ^ \circ + \cos ^2 90 ^ \circ$$?

What is the value of $$\sin (-360^\circ)$$ ?

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