please show the step by step. Thank you.
find the exact value of the given expression.A.) cos π / 6
B.) tan π/ 4
C.) csc π / 3
D). sec π /4For the following exercises, use reference angles to evaluate thegiven expression.E.) sec 11π / 3
please show the step by step. Thank you. find the exact value of the given expression. A.) cos π / 6 B.) tan π/ 4 C.) cs
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