if tan^2x=1-e^2, prove that secx+tan^3x

  1. tan(3x) + 1 = sec(3x)Thanks, pretend 3x equals x so tanx + 1 = secx we know the law that 1 + tanx = secx so tanx + 1 becomes
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    2. Jen asked by Jen
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  2. Prove the following identities.1. 1+cosx/1-cosx = secx + 1/secx -1 2. (tanx + cotx)^2=sec^2x csc^2x 3. cos(x+y) cos(x-y)= cos^2x
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    2. Liv asked by Liv
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  3. Prove the following identity. Show all steps clearly. the ----- indicates that it is a fraction.L.S cos2x sin(pi+x)
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    2. Riley asked by Riley
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  4. find dy/dxy=ln (secx + tanx) Let u= secx + tan x dy/dx= 1/u * du/dx now, put the derivative of d secx/dx + dtanx/dx in. You may
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    2. amy asked by amy
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  5. Evaluate the integral of(secx)^2 * (tanx)^3 *dx I started out with letting u=secx and du=secx*tanx*dx , but then I am kind of
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    2. Dave asked by Dave
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  6. Complete the following identity secx-1/secx=? I have four multiple choice options and can't seem to work my way to either one.
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    2. Anne asked by Anne
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  7. if tan^2x=1-e^2, prove that secx+tan^3x cosecx = (2-e^2)^3/2
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    2. krishan asked by krishan
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  8. prove that the value of cosx + secx can never be 3/2.
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    2. maths asked by maths
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  9. prove that secx - tanx = 1 -tan x/2 /1 + tan x/2
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    2. kabir asked by kabir
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  10. Prove that 2cosx/cos2x+1=secx
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