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Find d²y/dx² of the followings:(1) sinx=(2tanθ)/(1+tan²θ),coty=(1-tan²θ)/(2tanθ)(2) x=a(cosθ+θsinθ),y=a(sinθ-θcosθ)

Answer» Find d²y/dx² of the followings:
(1) sinx=(2tanθ)/(1+tan²θ),
coty=(1-tan²θ)/(2tanθ)
(2) x=a(cosθ+θsinθ),
y=a(sinθ-θcosθ)


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