Find the exact value of sec(5𝜋/4)

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Find the exact value of: sin(17𝜋/3)

Find the exact value of: tan(9𝜋)

Find the exact value of: tan(21𝜋/4)

Find the exact value of sin(10𝜋/3)

Find the exact value of: cos(16𝜋/3)

Find the exact value of: tan(–𝜋/2)

Find the exact value of: csc(3𝜋/2)

Find the exact value of: cot(–5𝜋/6)

Find the exact value of: sec(5𝜋/4)

Exact vs Approximate

sin cos tan csc sec cot

unit circle

reference angles

𝛩