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Author: Tinku Tara

If-sin-4-x-cos-4-y-2-4-sinx-cosy-amp-0-x-y-pi-2-then-the-value-of-sinx-cosy-is-equal-to-

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Question Number 23304 by Tinkutara last updated on 28/Oct/17 $$\mathrm{If}\:\mathrm{sin}^{\mathrm{4}} \mathrm{x}\:+\:\mathrm{cos}^{\mathrm{4}} \mathrm{y}\:+\:\mathrm{2}\:=\:\mathrm{4}\:\mathrm{sinx}.\mathrm{cosy}\:\& \\ $$$$\mathrm{0}\:\leqslant\:{x},{y}\:\leqslant\:\frac{\pi}{\mathrm{2}}\:,\:\mathrm{then}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{sin}{x}\:+ \\ $$$$\mathrm{cos}{y}\:\mathrm{is}\:\mathrm{equal}\:\mathrm{to} \\ $$ Commented by Joel577 last updated on 28/Oct/17…

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If-a-b-c-gt-0-and-a-2-b-2-c-2-3-Then-prove-that-a-3-b-2-b-bc-1-

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Question Number 154372 by mathdanisur last updated on 17/Sep/21 $$\mathrm{If}\:\:\mathrm{a};\mathrm{b};\mathrm{c}>\mathrm{0}\:\:\mathrm{and}\:\:\mathrm{a}^{\mathrm{2}} +\mathrm{b}^{\mathrm{2}} +\mathrm{c}^{\mathrm{2}} =\mathrm{3} \\ $$$$\mathrm{Then}\:\mathrm{prove}\:\mathrm{that}: \\ $$$$\Sigma\:\frac{\mathrm{a}^{\mathrm{3}} }{\mathrm{b}^{\mathrm{2}} \:+\:\mathrm{b}\:+\:\mathrm{bc}}\:\geqslant\:\mathrm{1} \\ $$ Terms of Service Privacy…

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Question-23294

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Question Number 23294 by ajfour last updated on 28/Oct/17 Commented by ajfour last updated on 28/Oct/17 $${The}\:{player}\:{failed}\:{to}\:{pocket}\:{the} \\ $$$${queen}\:{and}\:{it}\:{could}\:{reach}\:{only} \\ $$$${till}\:{P}.\:{Find}\:\boldsymbol{{u}},\:\boldsymbol{\theta}\:. \\ $$$${Striker}\:{has}\:{mass}\:\boldsymbol{{M}},\:{radius}\:\boldsymbol{{R}}. \\ $$$${queen}\:{has}\:{mass}\:\boldsymbol{{m}},\:{radius}\:\boldsymbol{{r}}.…

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