sec(30)+tan(45)-csc(60)/sec(30)+cos(60)+cot(45)

please solve that query
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1 Answer

For this problem we need:

cosec60=sec30=1/cos30=2/sqrt(3)=1/sin60; cot45=tan45=1; cos60=sin30=1/2.

The expression becomes:

2/sqrt(3)+1-(2/sqrt(3)/(2/sqrt(3)+1/2+1=2/sqrt(3)+1-1+1/2+1=2sqrt(3)/3+3/2=2.6547 approx.
by Top Rated User (1.2m points)

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