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Simplifying cos(7x) + sin(3x) = 0 Remove parenthesis around (7x) cos * 7x + sin(3x) = 0 Reorder the terms for easier multiplication: 7cos * x + sin(3x) = 0 Multiply cos * x 7cosx + sin(3x) = 0 Remove parenthesis around (3x) 7cosx + ins * 3x = 0 Reorder the terms for easier multiplication: 7cosx + 3ins * x = 0 Multiply ins * x 7cosx + 3insx = 0 Solving 7cosx + 3insx = 0 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. 7cosx + 3insx + -3insx = 0 + -3insx Combine like terms: 3insx + -3insx = 0 7cosx + 0 = 0 + -3insx 7cosx = 0 + -3insx Remove the zero: 7cosx = -3insx Divide each side by '7osx'. c = -0.4285714286ino-1 Simplifying c = -0.4285714286ino-1
| 46+180=540 | | -5v^2-21v-18=0 | | (2x^2+13x+20)=0 | | 0.04x+0.2=0.07 | | -96=-12b-108 | | (r+6)+(4r)=126 | | 4x+26=-8x-1 | | (4x-3)+(5x-6)=1.125 | | 3x+5y^2-y=7 | | 3=3+9a | | 16f+24=18f+39 | | 47b+180=540 | | 5z-18-4z=-36 | | (4x-3)+(5x-6)=x | | 46.5+180=540 | | -3(5x-4)+4=-15x+16 | | -14x=-2x | | 6.7=-1.7+y | | 51=6+3.5x+5.5x | | 6y+8.5=c | | -7-4n=53 | | 9(x+3)-8=25-3x-6+12x | | f(3)=f(3-1)+8 | | 5(n-18)-4n=-36 | | 0.3x+0.7=0.6x-1.7 | | 15+5=100 | | f(3)=f(4-1)+8 | | 5(n-18)-4n=36 | | f(4)=f(4-1)+8 | | 9(x-1)+4=6x+3(-3+x) | | 6+4n=6n+6 | | -(-15d+4)= |