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Solve tan(3x)+1=0
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Answer:

Step-by-step explanation:

tan(3x)+1=0

⇔tan3x=-1

⇔tan3x=tan([tex]\frac{-\pi }{4}[/tex])

⇔3x=[tex]\frac{-\pi }{4}[/tex]+k[tex]\pi[/tex]

⇔x=[tex]\frac{-\pi }{12}[/tex]+[tex]\frac{k\pi }{3}[/tex]

Answer:

tan(3x)+1=0

=> tan (3x)=-1

=> 3x = −π/4+k.π,k∈Z

=> x= −π/12+k.π/3,k∈Z

Step-by-step explanation:

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