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Use reference angles and symmetry on the unit circle to find the exact value of each...

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Basic Math

Use reference angles and symmetry on the unit circle to find theexact value of each expression. Do not use calculator.

(a) sin(135 degrees)

(b) cos(11pi/6)

(c) tan(-5pi/3)

(d) sec(-120 degrees)

(e) cot(5pi/2)

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