(tan 45°cosec 30°)+(sec 60°cot 45°)−(5 sin 90°/2 cos 0°)
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hi dear
here is ur ans
(tan45°cosec30°)+(sec60°.cot45°)-(5sin90°/2cos0°)
firstly we have an idea about Trignometry table
here
some value of trignometry
tan 45 = 1
cosec 30 = 2
sec 60 = 2
cot 45 = 1
sin 90 = 1
cos 0 = 1
then we simply solve the que after that
(1 × 2) + ( 2 × 1 ) - (5×1/2×1)
2 + 2 + 5/2
4+5/2
(8+5)/2
13/2
the ans is 13/2
hope it helpful
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@virat abd
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