Question

Express the trigonometric ratios sin A ,sec A and tan A in terms of cot A

Answer 1

cot A = 1/tan A

cot A = 1/tan A cot A = cosec A / sec A .where cosec A = 1/sin A

cot A = 1/tan A cot A = cosec A / sec A .where cosec A = 1/sin Acot A = cos A/sinA