tan(5π/4)+cot(7π/4)-sec(5π/6)
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Simplify trig expression. Ans: √33. Explanation: tan (-5pi)/6 =tan(π6−6π6)=tan(π6−π)=tan(π6)= =√33. cot(7π2)=cot(3π2+2π)=cot(3π2
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