Cos 45° divided by sec 30° + cosec 30°
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cos 45 / sec 30 + cosec 30
= 1/root 2 / 2/ root 3 + 2
= 1/ root 2 × root 3 / 2 + root 3
= root 3 / ( root 2 )( 2 + root 3 )
= 1/root 2 / 2/ root 3 + 2
= 1/ root 2 × root 3 / 2 + root 3
= root 3 / ( root 2 )( 2 + root 3 )
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