Question

simplify the expression: sec a/cot a+tan a

Answer 1

Answer:

SinA

Step-by-step explanation:

SecA/CotA + TanA

= SecA/(CosA/SinA + SinA/CosA)

= SecA/(Cos²A+Sin²A/SinACosA)

= SecA(SinACosA)/(Cos²A+Sin²A)

= SinA    (∵ Cos²A+Sin²A = 1 and SecACosA = 1)