19. Given 0< 0< 27, Juan solves the equation 4 sin? 0 – 1= 0 and finds solutions of and 5. Explain the error in Juan's reasoning and find all of the correct solutions.

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Q: 4. Given 0<0 < 27, solve 4 tan 6- 4 0.

A: θ=π4,5π4

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Q: Given 0 <0 < 27, solve 4 tan 0 – 4 = 0.

A: 4 tanθ -4=0

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A: We will find the solution in the following step

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A: Solution = ?