What is the general solution for cot(x)(tan(x)+1)=0 ?

The general solution for cot(x)(tan(x)+1)=0 is x=(3pi)/4+pin

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cot(x)(tan(x)+1)=0

cot (x) (tan (x) + 1) = 0

x = \frac{3 π}{4} + πn

Solution steps

cot (x) (tan (x) + 1) = 0

Solving each part separately

cot (x) = 0 or tan (x) + 1 = 0

cot (x) = 0 : x = \frac{π}{2} + πn

tan (x) + 1 = 0 : x = \frac{3 π}{4} + πn

Combine all the solutions

x = \frac{π}{2} + πn, x = \frac{3 π}{4} + πn

Since the equation is undefined for:

\frac{π}{2} + πn

x = \frac{3 π}{4} + πn

4 sin (θ) + 3 = 5

5 sin (x) cos (x) = 7 cos (x)

tan (\frac{θ}{2}) - sin (θ) = 0

- 5 cos (x) = - 2 sin^{2} (x) + 4

cos (θ) cos (2 θ) + sin (θ) sin (2 θ) = \frac{2}{2}

What is the general solution for cot(x)(tan(x)+1)=0 ?
The general solution for cot(x)(tan(x)+1)=0 is x=(3pi)/4+pin