Question

(5sin²30°+4cosec²60°-tan45°)/sin²60°+4cos²60°)is ​

Answer 1

Explanation:

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Answer 2

=>{5sin²30°+4cosec²60°-tan²45°}/{sin²60°+4cos²60°}

=>{5×(1/2)²+4×2/√3)²-(1)²}/(√3/2)²+4×(1/2)²

=>{5×1/4+4×4/3-1}/{3/4+1}

=>{5/4+16/3-1}/7/4

=>{67/12}/{7/4}

=>{67/12}×{4/7}

=>{67/3}×{1/7}

=>67/21

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