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Prove Cos (x+60)= 2Sinx

  1. ProveCos (x+60)= 2Sinx
    1. answers icon 1 answer
    2. thomas asked by thomas
    3. views icon 591 views
  2. Prove that 1-sin^2x/cosx = sin 2x/2sinx
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  3. can you prove this equation for me?sin2x X sec2x = 2sinx
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    2. Alex asked by Alex
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  4. pROVE THAT (cotx - tan x)cosx=cosec1x-2sinx
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    2. DEMA asked by DEMA
    3. views icon 534 views
  5. prove:2sinx+sin2x = 2sin^3(x)/1-cosx
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    2. Veronica asked by Veronica
    3. views icon 1,156 views
  6. Please prove:2sinx+sin2x = 2sin^3(x)/1-cosx
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    2. Veronica asked by Veronica
    3. views icon 609 views
  7. Let f(x)=9sinx/2sinx+4cosx.Then 'f(x)= ((2sinx+4cosx)(9cosx)-(9sinx)(2cosx-4sinx))/(2sinx+4cosx)^2. The equation of the tangent
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    2. Leslie asked by Leslie
    3. views icon 953 views
  8. prove that(cotx-tanx)cosx=cosec1x-2sinx
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    2. masta asked by masta
    3. views icon 426 views
  9. Let g(x) = sin (cos x^3) Find g ' (x):The choices are a) -3x^2sinx^3cos(cos x^3) b) -3x^2sinx^3sin(cos x^3) c)
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    2. Marissa asked by Marissa
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  10. Solve for x in the interval 0<=x<360:1. 2sin2x+cosx =0 2. cos2x=-2sinx 3. tanx=2sinx 4. 3cos2x+cosx+2=0
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    2. ` asked by `
    3. views icon 662 views