sin^2(x)+cos^2(2x)=1

Simple and best practice solution for sin^2(x)+cos^2(2x)=1 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 sin^2(x)+cos^2(2x)=1 equation: 


Simplifying
sin2(x) + cos2(2x) = 1

Multiply in2s * x
in2sx + cos2(2x) = 1

Remove parenthesis around (2x)
in2sx + cos2 * 2x = 1

Reorder the terms for easier multiplication:
in2sx + 2cos2 * x = 1

Multiply cos2 * x
in2sx + 2cos2x = 1

Reorder the terms:
2cos2x + in2sx = 1

Solving
2cos2x + in2sx = 1

Solving for variable 'c'.

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

Add '-1in2sx' to each side of the equation.
2cos2x + in2sx + -1in2sx = 1 + -1in2sx

Combine like terms: in2sx + -1in2sx = 0
2cos2x + 0 = 1 + -1in2sx
2cos2x = 1 + -1in2sx

Divide each side by '2os2x'.
c = 0.5o-1s-2x-1 + -0.5in2o-1s-1

Simplifying
c = 0.5o-1s-2x-1 + -0.5in2o-1s-1

Reorder the terms:
c = -0.5in2o-1s-1 + 0.5o-1s-2x-1

See similar equations:

| -2y=11+-6x | | 9x-2(3x-10)=23 | | -2y=11-6 | | 2/3x−1/5x=x−1 | | Y=5(15)+b | | -17x-141=-11x-93 | | (b-25)(b+16)=0 | | Y=-.2x+6 | | 16x+208=8x+136 | | 25y^2+110y+121= | | 0(-5/3) | | 0.09xX=59.71 | | -10x+26=-5x+16 | | ln(x+900)=x^2 | | -21x+89=-13x+57 | | 3x-16=37 | | 15(x)=-4.9x^2+10x+40 | | 3/1=2/x | | f(2)=-2x^2-5x-6 | | -10=-7+3y | | 5x^4+15x^2-20=0 | | 1/8=x/2 | | 5x-7=-9 | | 9x-17=5x-9 | | 3x+4+5=35 | | x/15=3/9 | | -19x+122=-12x+73 | | y-7=5(7-10) | | 3p^3+9p^2-210p=0 | | x-4=15.5 | | 10+6=10 | | (2x-20)(x)=5400 |

Equations solver categories