What is the general solution for cos(x)tan(x)cos(x)=0,0<= x<= 2pi ?

The general solution for cos(x)tan(x)cos(x)=0,0<= x<= 2pi is x=0,x=pi,x=2pi

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cos(x)tan(x)cos(x)=0,0<= x<= 2pi

cos (x) tan (x) cos (x) = 0, 0 \leq x \leq 2 π

x = 0, x = π, x = 2 π

Solution steps

cos (x) tan (x) cos (x) = 0, 0 \leq x \leq 2 π

Solving each part separately

cos (x) = 0 or tan (x) = 0 or cos (x) = 0

cos (x) = 0, 0 \leq x \leq 2 π : x = \frac{π}{2}, x = \frac{3 π}{2}

tan (x) = 0, 0 \leq x \leq 2 π : x = 0, x = π, x = 2 π

cos (x) = 0, 0 \leq x \leq 2 π : x = \frac{π}{2}, x = \frac{3 π}{2}

Combine all the solutions

x = \frac{π}{2}, x = \frac{3 π}{2}, x = 0, x = π, x = 2 π

Since the equation is undefined for:

\frac{π}{2}, \frac{3 π}{2}

x = 0, x = π, x = 2 π

3 sin (x) + 5 cos (x) + 5 = 0

2 cot (x) = 2

4 cos^{2} (x) + 2 = 3

- 2 sin (x) - 3 = 0

9 cos^{2} (x) - 9 cos (x) - 18 = 0

What is the general solution for cos(x)tan(x)cos(x)=0,0<= x<= 2pi ?
The general solution for cos(x)tan(x)cos(x)=0,0<= x<= 2pi is x=0,x=pi,x=2pi