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Simplifying 2cos(2x) = sin(x) Remove parenthesis around (2x) 2cos * 2x = sin(x) Reorder the terms for easier multiplication: 2 * 2cos * x = sin(x) Multiply 2 * 2 4cos * x = sin(x) Multiply cos * x 4cosx = sin(x) Multiply ins * x 4cosx = insx Solving 4cosx = insx Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '4osx'. c = 0.25ino-1 Simplifying c = 0.25ino-1
| x^2+2x+-8=7 | | (4/5)x+2=10 | | (-22/91)/(-2/77) | | (7.5)=4x-7 | | x+80=360 | | x^2+20x+105=6 | | 5t^2+20t+60=0 | | x+-80=360 | | 27*.99+f=42.72 | | w/33=9/11 | | 17+4y=9+11y | | r/25=28/100 | | 6/v=1/5 | | 27*.99+f=47.72 | | s/11=42/66 | | c=9c-2-9 | | 60/x=10/19 | | ax^2+6ax=0 | | 45/48=x/16 | | a/115=6/23 | | 15/4=90/k | | 11/5=22/v | | 36/4=n/1 | | c=6-2c-9 | | 39x=215 | | 5(y-b)+3b-6y+4(6+b)=0 | | 78/x=13/11 | | 8y-4=3(y+7) | | 30/w=15/7 | | 2x+x+(60-x)+90=180 | | y=0.2x(1000-x) | | x^5+16x=17x^3 |