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Geometry

# 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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