Answers edited by Nghi N

• Back to user's profile
• Next
• Question #23b7a
  
• Question #ea459
  
• Question #af5d8
  
• Question #883c2
  
• Question #c5acc
  
• How do you factor `24x ^ { 3} + 60x ^ { 2} - 168x - 420`?
  
• How do you verify the identity `sec(u/2)=+-sqrt((2tanu)/(tanu+sinu))`?
  
• How do you find the exact solutions of the equation `sin2x-sinx=0` in the interval `[0,2pi)`?
  
• Question #b922b
  
• If `sin theta - cos theta = 1/2`, what is the value of `sin theta + cos theta`?
  
• How to compare the AC Method (factoring by grouping) and the new Transforming Method in solving quadratic equations?
  
• How do you find the product of all six trigonometric functions of an angle theta in standard position whose terminal side passes through `(- sqrt 3, 1)`?
  
• How do you factor `3x^2-7x+4`?
  
• Question #28c03
  
• Solve the equation `2secxsinx+2=4sinx+secx` in the interval `[0^@,360^@]`?
  
• How do you find the value of the discriminant and state the type of solutions given `9m^2+6m+6=5`?
  
• How do you factor and simplify `tan^2x-cot^2x`?
  
• How do you solve `10tanx-5=0`?
  
• Question #5076c
  
• Prove that `cos 3x = 4cos^3 x - 3cos x` ?
  
• How do you find the exact functional value sec (-11pi/12) using the cosine sum or difference identity?
  
• Question #fcb2e
  
• How do you find the value for `sin2theta`, `cos2theta`, and `tan2theta` and the quadrant in which `2theta` lies given `tantheta=-5/12` and `theta` is in quadrant II?
  
• How do you solve `10x^2-31x+15=0` using the quadratic formula?
  
• How do I find the value of cos 5pi / 6?
  
• How do you solve the equation `sqrt3sectheta+2=0` for `-pi<=theta<=3pi`?
  
• Solve the equation `cos3t=cos2t`?
  
• How do you express `sin(pi/12) * cos(pi/8 )` without products of trigonometric functions?
  
• How do you evaluate `cos((13pi)/8)`?
  
• How do you find all six trigonometric function of `theta` if the point (-5,12) is on the terminal side of `theta`?
  
• How do you use a calculator to evaluate `cos78^circ11' 58''`?
  
• Question #a9636
  
• Question #bc7b6
  
• Question #d49bf
  
• How do you factor `x^2 - 22x + 120`?
  
• Question #6eeed
  
• How do you use the product to sum formulas to write `10cos75^circcos15^circ` as a sum or difference?
  
• How do you find the exact value of `sin(u+v)` given that `sinu=-7/25` and `cosv=-4/5`?
  
• Question #b8ee8
  
• How do you find the exact values of the six trigonometric function of `theta` if the terminal side of `theta` in the standard position contains the point (0,-6)?
  
• How do you find the value for `sin2theta`, `cos2theta`, and `tan2theta` and the quadrant in which `2theta` lies given `sintheta=-sqrt10/10` and `theta` is in quadrant IV?
  
• How do you solve `tan(2x + pi/3) = 1` from 0 to 2pi?
  
• How do you factor `4s^2-26st+81t^2` using the perfect squares formula?
  
• Question #46d1d
  
• How do you evaluate `sin [2 Tan^-1 (-2)]`?
  
• How do you express `cos((27pi)/8)` as a trig function of an angle in Quadrant I?
  
• Question #95289
  
• Question #72dcf
  
• How to calculate this? `sin^2(110^@)+sin^2(200^@)`.
  
• How do you solve `49x ^ { 2} - 56x + 15= 0`?
  
• How do you solve `3 cot 2x - sqrt 3 = 0`?
  
• How do you use the angle sum or difference identity to find the exact value of cos((11pi)/12)#?
  
• Question #e1c1e
  
• How do you factor `-4x^2+5x-12`?
  
• Question #86fbc
  
• How do you find the six trigonometric functions of 420 degrees?
  
• How do you find the exact values of `costheta` and `sintheta` when `tantheta=-1/2`?
  
• How do you find the roots, real and imaginary, of `y= 0.5x^2-0.6x +3.659` using the quadratic formula?
  
• How do you solve `sinx+cosx=1`?
  
• Question #6b440
  
• Question #16d46
  
• How do you solve `2x ^ { 2} + x = 5`?
  
• How do you find all six trigonometric function of `theta` if the point `(-3,sqrt7)` is on the terminal side of `theta`?
  
• Question #970f7
  
• Question #3aca5
  
• What is the solution set to `x^3 + x^2 - 4x ≥ 4`?
  
• What are the solutions to `5x^2+27x+10=0`?
  
• What is the period of `y=sin4theta`?
  
• Which quadrant does the terminal side of `-(5pi)/6` lie?
  
• Question #3960a
  
• Question #d5864
  
• Question #968f0
  
• Next