sin 45 / sec 30 + cosec 30
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as the value of sin 45 = 1/ √ 2 and the value of sec30=2/ √ 3 and the value of cosec 30 =2
1/ √2/2/ √3+2
==>1/2* √3/2+2 √3
===>by rationalising the denominator we get....
-(4 √3-12/32)
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