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Consider the curve x = a (cos θ + θ sin θ) and y = a (sin θ - θ cos θ).
What is equal to ?
  • a)
    tan θ 
  • b)
    cot θ 
  • c)
    sin 2θ
  • d)
    cos 2θ
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Consider the curve x = a (cos θ + θ sin θ) andy = a ...
Given,x = a(eosθ + θsinθ)and
y = a(sin θ -θ co s θ)
= a (-sin θ + θcosθ + sinθ) = aθcosθ
= a (cosθ + θ sin θ - cos θ) = a θ sin θ
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Consider the curve x = a (cos θ + θ sin θ) andy = a (sin θ - θ cos θ).What is equal to ?a)tan θb)cot θc)sin 2θd)cos 2θCorrect answer is option 'A'. Can you explain this answer?
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