Given: x = a cos3 θ
y = b sin3 θ
Consider L.H.S. =
= (cos3 θ)2/3 + (sin3 θ)2/3
= (cos2 θ + (sin2 θ)
= 1 = R.H.S.
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Trigonometric Identities39 mins
Trigonometric Identities-II43 mins
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