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Sum and Difference Identities Practice

Last updated about 3 years ago

5 questions

1

1

1

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Question 1

1.

Find two Radian angles on the unit circle whose sum equals the given angle.

Question 2

2.

Find two Radian angles on the unit circle whose Difference equals the given angle.

Question 3

3.

Use cos (x+y) for #1

Question 4

4.

Use sin (x-y) for #2

Question 5

5.

Determine the exact value of
Use tan(x-y) (hint try to use a multiple of 60 as one of the angles)