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Simplifying sin(5x) * cos(2x) + -1cos(5x) * sin(2x) = 0 Remove parenthesis around (5x) ins * 5x * cos(2x) + -1cos(5x) * sin(2x) = 0 Remove parenthesis around (2x) ins * 5x * cos * 2x + -1cos(5x) * sin(2x) = 0 Reorder the terms for easier multiplication: 5 * 2ins * x * cos * x + -1cos(5x) * sin(2x) = 0 Multiply 5 * 2 10ins * x * cos * x + -1cos(5x) * sin(2x) = 0 Multiply ins * x 10insx * cos * x + -1cos(5x) * sin(2x) = 0 Multiply insx * cos 10cinos2x * x + -1cos(5x) * sin(2x) = 0 Multiply cinos2x * x 10cinos2x2 + -1cos(5x) * sin(2x) = 0 Remove parenthesis around (5x) 10cinos2x2 + -1cos * 5x * sin(2x) = 0 Remove parenthesis around (2x) 10cinos2x2 + -1cos * 5x * ins * 2x = 0 Reorder the terms for easier multiplication: 10cinos2x2 + -1 * 5 * 2cos * x * ins * x = 0 Multiply -1 * 5 10cinos2x2 + -5 * 2cos * x * ins * x = 0 Multiply -5 * 2 10cinos2x2 + -10cos * x * ins * x = 0 Multiply cos * x 10cinos2x2 + -10cosx * ins * x = 0 Multiply cosx * ins 10cinos2x2 + -10cinos2x * x = 0 Multiply cinos2x * x 10cinos2x2 + -10cinos2x2 = 0 Combine like terms: 10cinos2x2 + -10cinos2x2 = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
| 3x+2(-3x+38)=52 | | 6+14=7x-12 | | 7p+6q-4(2p-7q)= | | 25+5+-3x=-60 | | .5x-3.5=3x+4.5 | | 1.5+13=2.4x+4 | | 8x=.24 | | 9+6z+3=6z+4 | | 3x^2y-15y=0 | | 8=-5/w-4 | | 70=3 | | 7=0.25d^2 | | 2x+4-3=28 | | 3A+b=145 | | 3A+-1b=140 | | 4x+(8)=-4 | | 3A-b=145 | | 16/12=8/x | | A-4=b-2 | | A+b=140 | | 7+2t-6=9t+3-6t | | 10+y-5=14 | | m^3=0.027 | | x+4y=2.2 | | 5x+4y=35 | | sa=pir^4 | | (2+i)x=1+2i | | 10r^2-21r=4r-6 | | 22x-44=-44+22x | | 4a+b=2.2 | | 78/x=4368 | | (3x-15)(2x-10)=90 |