Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation -x/12+x=55/12
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Equation 9/(x-2)=9/2
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Equation -2x-4=3x
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Equation 2-3*(2*x+2)=5-4*x
- Express {x} in terms of y where:
- -10*x-18*y=15
- 2*x-15*y=-1
- -19*x-5*y=-16
- -10*x-9*y=-6
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Identical expressions
- cos(three *x)*sin(three *x)= one / two *sin(twelve *x)
- co sinus of e of (3 multiply by x) multiply by sinus of (3 multiply by x) equally 1 divide by 2 multiply by sinus of (12 multiply by x)
- co sinus of e of (three multiply by x) multiply by sinus of (three multiply by x) equally one divide by two multiply by sinus of (twelve multiply by x)
- cos(3x)sin(3x)=1/2sin(12x)
- cos3xsin3x=1/2sin12x
- cos(3*x)*sin(3*x)=1 divide by 2*sin(12*x)
cos(3*x)*sin(3*x)=1/2*sin(12*x) equation
The teacher will be very surprised to see your correct solution 😉
The solution
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sin(12*x)
cos(3*x)*sin(3*x) = ---------
2
$$\sin{\left(3 x \right)} \cos{\left(3 x \right)} = \frac{\sin{\left(12 x \right)}}{2}$$