7cos^2x-5sin^2x=y

Simple and best practice solution for 7cos^2x-5sin^2x=y equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 7cos^2x-5sin^2x=y equation: 


Simplifying
7cos2x + -5sin2x = y

Solving
7cos2x + -5in2sx = y

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '5in2sx' to each side of the equation.
7cos2x + -5in2sx + 5in2sx = 5in2sx + y

Combine like terms: -5in2sx + 5in2sx = 0
7cos2x + 0 = 5in2sx + y
7cos2x = 5in2sx + y

Divide each side by '7os2x'.
c = 0.7142857143in2o-1s-1 + 0.1428571429o-1s-2x-1y

Simplifying
c = 0.7142857143in2o-1s-1 + 0.1428571429o-1s-2x-1y

See similar equations:

| 6x(2x-3)-3x=2x-18+x | | 12m-2.1=0.9 | | 9=5-2(3w-2) | | 3(1+3n)+2(5-4n)=12 | | 5000=(.15X)+X | | 9x-6y=-6 | | -4x+5(-5+5x)=17 | | 4(-3+3x)=48 | | 4x-9-8x= | | 2x^2-4x=-34 | | y=mb | | -3(3x+9)=-9 | | n+7=63 | | -4(9y+8)= | | 5y=2+10 | | 2d^2-6d= | | 8x-9-5w=-18 | | -5(3z+2)= | | X*7=x+870 | | 3x+9=33-3x | | -2.9=3f | | 4x^3+4ax^2-x-a=0 | | 5n+6=2n-3 | | -7n-7n-16=4n+17 | | -2+2n=5b+5.5 | | 5-7x=x-67 | | 10+4x=2+3x | | -17-6f=-4(5f-8) | | 12xy^2-108x=0 | | 40.86=9.19+1.81t^3 | | 3x+10+5x=74 | | 17g+3=11g+38 |

Equations solver categories