What is the general solution for -9sin(x)-9cos(x)=0 ?

The general solution for -9sin(x)-9cos(x)=0 is x=(3pi)/4+pin

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-9sin(x)-9cos(x)=0

- 9 sin (x) - 9 cos (x) = 0

x = \frac{3 π}{4} + πn

Solution steps

- 9 sin (x) - 9 cos (x) = 0

Rewrite using trig identities

- 9 tan (x) - 9 = 0

Move

9

to the right side

- 9 tan (x) = 9

Divide both sides by

- 9

tan (x) = - 1

General solutions for

tan (x) = - 1

x = \frac{3 π}{4} + πn

cot (x) = \frac{1}{3}

sin (x) = \frac{5}{2}

2 sin^{2} (θ) + 2 sin (θ) = 0

cos (3.7 x + 5.2) = 0

cos (x) = 96150182

What is the general solution for -9sin(x)-9cos(x)=0 ?
The general solution for -9sin(x)-9cos(x)=0 is x=(3pi)/4+pin