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If \(asin^2\) x + b \(cos^2\) x = c, \(bsin^2\) y + \(acos^2\) y = d and a tan x = b tan y then \(\frac{a^2}{b^2}\) =
(i) \(\frac{(a-d)(c-a)}{(b-c)(d-b)}\)
(ii) \(\frac{(e-c)(b-d)}{(a-c)(a-d)}\)
(iii) \(\frac{(b-c)(d-b)}{(a-d)(c-a)}\)
(iv) \(\frac{(d-a)(c-a)}{(b-c)(d-b)}\)
Updated Wed, 28 Aug 2019 02:00 pm
A body of mass 4 kg lying on a rough plane inclined at \(30^\circ\) to the horizontal has an acceleration of 2 ms\(^{-2}\) when pulled directly up the plane by a force of 6 kg wt. Calculate its acceleration when a force of 6 kg wt. Calculate its acceleration when a force of 3 kg wt is applied down the plane. Given : g = 10 ms\(^{-2}\).
Updated Wed, 28 Aug 2019 10:44 am
