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AllQuestion and Answers: Page 188

Question Number 197125 Answers: 1 Comments: 1

Question Number 197113 Answers: 1 Comments: 0

Prove that ∫^( +∞) _( 0) (((ln(t+(√(1+t^2 ))))/t))dt=(π^2 /2)

$Prove that$ ${\int_{0}}^{+ \infty} (\frac{l n (t + \sqrt{1 + t^{2}})}{t}) d t = \frac{π^{2}}{2}$

Question Number 197112 Answers: 2 Comments: 0

Question Number 197111 Answers: 1 Comments: 0

Question Number 197110 Answers: 1 Comments: 0

Question Number 197104 Answers: 0 Comments: 3

Question Number 197099 Answers: 2 Comments: 0

∫^( (π/2)) _( 0) ((ln(cost))/(sint)) dt=???

${\int_{0}}^{\frac{π}{2}} \frac{\ln (\cos t)}{\sin t} d t = ? ? ?$

Question Number 197095 Answers: 1 Comments: 0

Question Number 197094 Answers: 1 Comments: 0

Question Number 197089 Answers: 2 Comments: 0

Simplify (((1+(√3)i)/(1−(√3)i)))^(10)

$Simplify {(\frac{1 + \sqrt{3} i}{1 - \sqrt{3} i})}^{10}$

Question Number 197081 Answers: 0 Comments: 5

Question Number 197073 Answers: 1 Comments: 0

Question Number 197072 Answers: 2 Comments: 0

tan123=k tan167=?

$\tan 123 = k$ $\tan 167 = ?$

Question Number 197064 Answers: 2 Comments: 0

Question Number 197063 Answers: 1 Comments: 0

Question Number 197060 Answers: 1 Comments: 1

Prove that ∫^( (π/2)) _( 0) ((ln(1+αsint))/(sint))dt= (π^2 /8)−(1/2)(arccosα)^2

$Prove that$ ${\int_{0}}^{\frac{π}{2}} \frac{\ln (1 + α \sin t)}{\sin t} d t = \frac{π^{2}}{8} - \frac{1}{2} {(\arccos α)}^{2}$

Question Number 197057 Answers: 3 Comments: 2

Question Number 197054 Answers: 1 Comments: 0

lim_(x→(π/4)) ((sin^9 x−(1/2) cos^7 x)/(4x−π)) =?

$\lim_{x \to \frac{π}{4}} \frac{\sin^{9} x - \frac{1}{2} \cos^{7} x}{4 x - π} = ?$

Question Number 197052 Answers: 1 Comments: 0

Find all the values of sin^(−1) (√2)

$Find all the values of \sin^{- 1} \sqrt{2}$

Question Number 197050 Answers: 2 Comments: 4

Question Number 197042 Answers: 0 Comments: 0

((sinx)/b)+((cosx)/a)=k find k(a+b)? plz i need dears

$\frac{sinx}{b} + \frac{cosx}{a} = k$ $find k (a + b) ?$ $plz i need dears$

Question Number 197040 Answers: 1 Comments: 6

Question Number 197038 Answers: 0 Comments: 0

Question Number 197036 Answers: 1 Comments: 0

calcule la derive de: g(x)= arctan(((x−1)/(2x−3)))

$c a l c u l e l a d e r i v e d e :$ $g (x) = a r c t a n (\frac{x - 1}{2 x - 3})$

Question Number 197035 Answers: 1 Comments: 0

tan18=a then find you tan72?

$\tan 18 = a then find you \tan 72 ?$

Question Number 197034 Answers: 1 Comments: 0

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