Created from Youtube video: https://www.youtube.com/watch?v=kEcbxiLeGTcvideoConcepts covered:trigonometric equations, sine, cosine, tangent, unit circle
The video explains how to solve trigonometric equations by finding all solutions using the unit circle and reference angles, emphasizing the importance of writing answers in terms of n for all possible solutions.
chapter
1
Solving Trigonometric Equations By Finding All Solutions
Concepts covered:trigonometric equations, sine, cosine, tangent, unit circle
The video explains how to solve trigonometric equations by finding all solutions using the unit circle and reference angles, emphasizing the importance of writing answers in terms of n for all possible solutions.
Question 1
How do you express all solutions for sin(x) = 1/2?
Question 2
In which quadrants is sine positive?
Question 3
What reference angle corresponds to cos(135°)?
Question 4
What is a coterminal angle of 5π/6?
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