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What are all the exact solutions of -3tan^2x+1=0? Give your answers in radians.

2 Answers

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Answer:

x = π n_1 + π/6 for n_1 element Z

or x = π n_2 - π/6 for n_2 element Z

Explanation:

Solve for x:

1 - 3 tan^2(x) = 0

Subtract 1 from both sides:

-3 tan^2(x) = -1

Divide both sides by -3:

tan^2(x) = 1/3

Take the square root of both sides:

tan(x) = 1/sqrt(3) or tan(x) = -1/sqrt(3)

Take the inverse tangent of both sides:

x = π n_1 + π/6 for n_1 element Z

or tan(x) = -1/sqrt(3)

Take the inverse tangent of both sides:

Answer: x = π n_1 + π/6 for n_1 element Z

or x = π n_2 - π/6 for n_2 element Z

User Chris Horner
by
6.1k points
3 votes

Answer:

pi/6+kpi and 5pi/6+kpi or b

Explanation:

on edge

User JayPea
by
6.4k points