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Simplifying 2cos2(2x) + -1sin(3x) = 3 Remove parenthesis around (2x) 2cos2 * 2x + -1sin(3x) = 3 Reorder the terms for easier multiplication: 2 * 2cos2 * x + -1sin(3x) = 3 Multiply 2 * 2 4cos2 * x + -1sin(3x) = 3 Multiply cos2 * x 4cos2x + -1sin(3x) = 3 Remove parenthesis around (3x) 4cos2x + -1ins * 3x = 3 Reorder the terms for easier multiplication: 4cos2x + -1 * 3ins * x = 3 Multiply -1 * 3 4cos2x + -3ins * x = 3 Multiply ins * x 4cos2x + -3insx = 3 Solving 4cos2x + -3insx = 3 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '3insx' to each side of the equation. 4cos2x + -3insx + 3insx = 3 + 3insx Combine like terms: -3insx + 3insx = 0 4cos2x + 0 = 3 + 3insx 4cos2x = 3 + 3insx Divide each side by '4os2x'. c = 0.75o-1s-2x-1 + 0.75ino-1s-1 Simplifying c = 0.75o-1s-2x-1 + 0.75ino-1s-1 Reorder the terms: c = 0.75ino-1s-1 + 0.75o-1s-2x-1
| -14=-8v+6(v-5) | | 63=5(-5+8x)+8 | | 10y-9-3y=6+7y-15 | | qt-6-6t=6 | | -14-8k=-2(5k-1) | | v-1/6=-2/5 | | 11x-2y+13w+5y-5w+2x= | | (1/7)=-(5/3)x-(9/2) | | 4/y+12/y=2 | | 5a-3b=0 | | 4x+3y=177 | | 3(2x+5)+10=37 | | 3(3n+5)=8(6n+7)+9 | | 1-2a=3a-4 | | 8n=25.6 | | 5(y+5)-8y=7 | | 4-(2x-3)=13 | | v-4=-16-5v | | -3(r+8)=-53 | | 10x+13x=782 | | 10x-10=9x+6 | | 4.97x+4.97=9.94 | | 8(1-3x)=176 | | (1/2)-(1/5)x=-(7/6) | | 3w+5(w-2)=-34 | | -4(r+2)=-75 | | 6.95x+9=48.3025+3x | | x=2(5)-7 | | -24=3(x+7)+2x | | 12=7x+6-4x | | 2(3x-2)=5x+1 | | 3s+9-2b=-2 |