Mister Exam

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How to use it?
Equation:
Equation x^2+9=(x+9)^2
Equation cos(x)=-1
Equation 3*x+50=77
Equation 5-2(x-1)=4-x
Express {x} in terms of y where:
10*x+5*y=-17
14*x+16*y=-3
-19*x+1*y=0
10*x+18*y=6
Identical expressions
y^n+y= two *cos(three x)-3*sin(3x)
y to the power of n plus y equally 2 multiply by co sinus of e of (3x) minus 3 multiply by sinus of (3x)
y to the power of n plus y equally two multiply by co sinus of e of (three x) minus 3 multiply by sinus of (3x)
yn+y=2*cos(3x)-3*sin(3x)
yn+y=2*cos3x-3*sin3x
y^n+y=2cos(3x)-3sin(3x)
yn+y=2cos(3x)-3sin(3x)
yn+y=2cos3x-3sin3x
y^n+y=2cos3x-3sin3x
Similar expressions
y^n-y=2*cos(3x)-3*sin(3x)
y^n+y=2*cos(3x)+3*sin(3x)

y^n+y=2cos(3x)-3sin(3x) equation

The teacher will be very surprised to see your correct solution 😉

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 n                              
y  + y = 2*cos(3*x) - 3*sin(3*x)

$$y + y^{n} = - 3 \sin{\left(3 x \right)} + 2 \cos{\left(3 x \right)}$$

Simplify

The graph

y^n+y=2*cos(3x)-3*sin(3x) equation