Question

If sinA =x, write the value of cotA

Answer 1

Answer:

⇒ sinA = x

∴ cosA = √(1 - x²)

⇒ cotA = cosA/sinA = √(1 - x²)/x

Answer 2

Answer:

sinA=x

sin2A+cos2A=1

x2+cos2A=1

cos2A=1-x2

CosA=root 1-x2

cotA=cosA/sinA

cotA=root 1-x2/x

hope it helps