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Fiona L.

asked • 02/04/16

Challenge Trigonometry Explanation, i don't understand what the question is asking me for.

So my teacher asked us challenge problems for this
1.Is the statement tan(x-y)=tan(x)-tan(y) true for all values of x and y?
2.Given the sum and difference identities for sine and cosine, explain how to derive an identity for tan(?-β)?
3.Show how you can use your result to derive an identity for tan(π-θ)?

1 Expert Answer


Qun Y. answered • 02/05/16

5 (1)

Wisconsin Certified Math Instructor

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