Evaulate: integral 3x (sinx/cos^4x) dx

Evaulate:integral 3x (sinx/cos^4x) dx I think it's sec<sup>3</sup> x , but that from using a piece of software, so you'll have
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2. asked by Rain
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That's the same as the integral of sin^2 x dx.Use integration by parts. Let sin x = u and sin x dx = dv v = -cos x du = cos x dx
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2. asked by drwls
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Use the symmetry of the graphs of the sine and cosine functions as an aid in evaluating each definite integral.(a) Integral of
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2. asked by John
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Prove the following:[1+sinx]/[1+cscx]=tanx/secx =[1+sinx]/[1+1/sinx] =[1+sinx]/[(sinx+1)/sinx] =[1+sinx]*[sinx/(sinx+1)]
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2. asked by Anonymous
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Evaluate the following integralintegral 1 = a and b = 4 of sinx dx/(1+cos)^2 u = cosx du = -sinx dx so from here I don't know if
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2. asked by Paul
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Integrate 1/sinx dx using the identity sinx=2(sin(x/2)cos(x/2)). I rewrote the integral to 1/2 ∫ 1/(sin(x/2)cos(x/2))dx, but I
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2. asked by Andre
3. 606 views
Integrate 1/sinx dx using the identity sinx=2(sin(x/2)cos(x/2)). I rewrote the integral to 1/2 ∫ 1/(sin(x/2)cos(x/2))dx, but I
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2. asked by Andre-Steve, please reply
3. 819 views
Mathematics - Trigonometric Identities - Reiny, Friday, November 9, 2007 at 10:30pm(sinx - 1 -cos^2x) (sinx + 1 - cos^2x) should
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2. asked by Anonymous
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Evaluate the Integralpi / = (3cos^2x-1) (sinx) dx=0 0 I am really confused with this, please help! ** used / for integral, not
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2. asked by Rianne
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Let f(x)=cosxsqrt(1+sinx)A. If F(x)=the integral of f(x)dx and F(0)=5/3, find F(pi/2). B. If G(x)=the integral of f(x)sinx dx
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2. asked by Anonymous
3. 401 views