(cos 10┬░ + sin 10┬░)/ (cos 10┬░ - sin 10┬░) = ?
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= ( Cos 10 + Sin 10 ) / ( Cos 10 - Sin 10 ){ Multiply numerator and and denominator with 1 / Cos 10 }= [ 1 /Cos 10 ( Cos 10 + Sin 10 ...
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