Question: Evaluate without using a calculator. (a) Tan /6 (b) Sec (c) Sec 3/4 (d) Csc /2 (e) Cot /4 (f) Tan (-/4)

Evaluate without using a calculator.
(a) Tan π/6
(b) Sec π
(c) Sec 3π/4
(d) Csc π/2
(e) Cot π/4
(f) Tan (-π/4)

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