Part A: Which student simplified the expression incorrectly? Explain the errors that were made or the formulas that were misused. Part B: Complete the student's solution correctly, beginning with the location of the error. (5 points)

The branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.

Correct Solution for the student B will be:

[tex]=\dfrac{\dfrac{1}{Cos \theta}-Cos\theta}{sec\theta}[/tex]

[tex]=\dfrac{\dfrac{1-Cos^2\theta}{Cos\theta}}{ \dfrac{1}{Cos\theta}}[/tex]

[tex]=1-Cos^2\theta[/tex]

[tex]=Sin^2\theta[/tex]

Hence the student B simplified the expression incorrectly the solution for the student B will be [tex]Sin^2 \theta[/tex]

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Part A: Which student simplified the expression incorrectly? Explain the errors that were made or the formulas that were misused. Part B: Complete the student's solution correctly, beginning with the location of the error. (5 points)​

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What is trigonometry?

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Part A: Which student simplified the expression incorrectly? Explain the errors that were made or the formulas that were misused. Part B: Complete the student's solution correctly, beginning with the location of the error. (5 points)