Prove Addition and Subtraction Formula for Trigonometric Functions: CCSS.Math.Content.HSF-TF.C.9

Practice Questions

Common Core: High School - Functions › Prove Addition and Subtraction Formula for Trigonometric Functions: CCSS.Math.Content.HSF-TF.C.9

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1

Using the addition formula for cosine and special reference angles calculate,

$\cos(135^\circ)$ .

2

Using the addition formula for cosine and special reference angles calculate,

$\cos(105^\circ)$ .

3

Using the addition formula for cosine and special reference angles calculate,

$\cos(120^\circ)$ .

4

Using the addition formula for cosine and special reference angles calculate,

$\cos(75^\circ)$

5

Using the addition formula for sine and special reference angles calculate,

$\sin(75^\circ)$ .

6

Using the addition formula for cosine and special reference angles calculate,

$\cos(450^\circ)$ .

7

Using the subtraction formula for cosine and special reference angles calculate,

$\cos(15^\circ)$ .

8

Using the addition formula for sine and special reference angles calculate,

$\sin(450^\circ)$ .

9

Using the subtraction formula for sine and special reference angles calculate,

$\sin(15^\circ)$ .

10

Using the addition formula for sine and special reference angles calculate,

$\sin(105^\circ)$ .

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