. Without using a calculator, state the exact values of each of the following.a) cos π6b) sin 3π2c) tan−π6d) sin 3π4e) cos 4π3f) tan 2π3
Question
. Without using a calculator, state the exact values of each of the following.a) cos π6b) sin 3π2c) tan−π6d) sin 3π4e) cos 4π3f) tan 2π3
Solution
a) cos π/6 = √3/2 b) sin 3π/2 = -1 c) tan -π/6 = -1/√3 d) sin 3π/4 = √2/2 e) cos 4π/3 = -1/2 f) tan 2π/3 = -√3
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