if tan alpha =2 and alpha belongs to { ,3 /2} then the value of the expression cos alpha - Maths - Trigonometric Functions

Question

if tan alpha =2 and alpha belongs to {?,3?/2} then the value of the
expression cos alpha /sin^3alpha+cos^3alpha

Mohammed Faisal · Accepted Answer

if tan alpha =2. and alpha belongs to {?,3?/2} then the value of the expression cos alpha /sin^3alpha+cos^3alpha