Application of DerivativeHard
Question
If the tangent to the curve x = a (θ + sin θ), y = a (1 + cos θ) at θ = π/3 makes an angle α (0 ≤ α < π) with x-axis, then α =
Options
A.π/3
B.2π/3
C.π/6
D.5π/6
⇒ α = π - 
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