Questions asked by Monzur R.
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How can one prove that ln(sec^2x+csc^2x) = ln(sec^2x)+ln(csc^2 x)ln(sec2x+csc2x)=ln(sec2x)+ln(csc2x)?
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Why isn't set-builder notation used for defining functions?
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Can I apply the sum-to-product formula to cos3theta+(sqrt2-1)costhetacos3θ+(√2−1)cosθ and how do I do it?
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How do I calculate the "pH"pH of the buffer solution when 1.001.00 "g"g of potassium ethanoate is dissolved in 50.050.0 "cm"^3cm3 of 0.200.20 "mol"mol "dm"^-3dm−3 ethanoic acid ("K"_"a"=1.74xx10^-5Ka=1.74×10−5 "mol"mol "dm"^-3dm−3)?
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How do I calculate the "pH"pH of the buffer solution formed when 10.010.0 "cm"^3cm3 of 0.800.80 "mol"mol "dm"^-3dm−3 sodium hydroxide is mixed with 50.050.0 "cm"^3cm3 of 0.500.50 "mol"mol "dm"^-3dm−3 ethanoic acid ("K"_"a"=1.74xx10^-5Ka=1.74×10−5 "mol"mol "dm"^-3dm−3)?
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The point P(alpha,beta)P(α,β) lies on the curve CC with equation f(x)= 1/3x+12/xf(x)=13x+12x such that alpha>0, alpha≠6α>0,α≠6. The normal at PP only crosses CC once. How do I find the exact value of alphaα?
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The angles in an nn-sided polygon satisfy an arithmetic sequence with a_1 =143^@a1=143∘ and d=2d=2. Given that all of the internal angles of the polygon are less than 180^@180∘, how do I find nn?
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How can I see which of my answers have been featured as great answers?
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When does an answer become 'yours'?
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Why does adding "AgNO"_(3("aq"))AgNO3(aq) to "I"_(2("s")) rightleftharpoons "I"_(2("aq"))I2(s)⇌I2(aq) cause the aqueous iodine to precipitate into a solid?
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Why does "NaOH"NaOH only react with one acidic proton in salicylic acid even though both the carboxyl and the hydroxyl groups could potentially react with it?
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How did earlier mathematicians calculate limits so accurately?
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How do I solve tan9x-tan2x=tan9xtan6xtan3x+tan6xtan4xtan2xtan9x−tan2x=tan9xtan6xtan3x+tan6xtan4xtan2x?
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Why is the line in bold valid (Picture added below)?
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Is there a way to stop receiving the 'Just asked' emails only?
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What is d/dx(cosx(dy)/dz)ddx(cosxdydz) where z=sinxz=sinx?
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Is it possible to find the following limit without using l'Hôpital's rule?
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How do we approximate f^(-1)(x)f−1(x)?
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How do I solve 648x+353y=1648x+353y=1 for xx and yy working backwards from Euclid's algorithm for gcd(648,353)gcd(648,353)?
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How can I evaluate lim_(x->0) (sinx-x)/x^3 without using L'Hopital's rule?
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Let bbu, bbv, bb(w) be vectors. How can we prove bbu xx (bbv xx bb(w)) = (bbu * bb(w)) bbv - (bbu * bbv) bb(w)?
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How do I evaluate int_0^oo e^-x/sqrtxdx?
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What is the maximum value of Q(p,q,r)=2pq+2pr+2qr subject to p+q+r=1?