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SRISIRI PUBLICATION-IPE: MARCH-2017 [AP] -SAQs
- If A is a non-singular matrix then prove that A^(-1) = (adjA)/(|A|).
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- If vec(a),vec(b),vec(c ) are non-coplanar vectros, then prove that the...
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- Find the unit vector perpendicular to the plane passing through the po...
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- Prove that sqrt(3)"cosec"20^(@)-"sec"20^(@) =4.
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- Solve the equation 1 + sin^(2) theta = 3 sin theta cos theta.
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- Show that Tan^(-1)1/2+Tan^(-1)1/5+Tan^(-1)1/8 = (pi)/4.
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- If cot A/2: cot B/2: cot C/2 = 3:5:7. Then show that a:b:c = 6:5:4 (In...
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