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This printable supports Common Core Math Standard HSF-TF.C.9

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Applying the Addition & Subtraction Formulas

1.
What is the exact value of $tan(75°) ?$
1. $-2+sqrt(3)$
2. $2+sqrt(3)$
3. $1$
4. $2-sqrt(3)$
2.
What is the exact value of $sin(105°) ?$
1. $1/2(sqrt(3)+sqrt(2))$
2. $1/4(sqrt(2)-sqrt(6))$
3. $1/4(sqrt(6)+sqrt(2))$
4. $1/4(sqrt(6)-sqrt(2))$
3.
What is the exact value of $tan(255°) ?$
1. $-2-sqrt(3)$
2. $-2+sqrt(3)$
3. $2-sqrt(3)$
4. $2+sqrt(3)$
4.
What is the exact value of $tan(165°) ?$
1. $2-sqrt(3)$
2. $-2-sqrt(3)$
3. $2+sqrt(3)$
4. $-2+sqrt(3)$
5.
What is the value of $cos(165°) ?$
1. $1/4(sqrt(2)-sqrt(6))$
2. $-1/4(sqrt(2)+sqrt(6))$
3. $1/4(-sqrt(2)+sqrt(6))$
4. $1/2(-sqrt(2)+sqrt(3))$
6.
What is the exact value of $cos(105°) ?$
1. $(sqrt(2)-sqrt(6))/4$
2. $-(sqrt(2)+sqrt(6))/4$
3. $-1/2 + sqrt(6)/4$
4. $(sqrt(6)-sqrt(2))/4$
7.
What is the exact value of $sin(345°) ?$
1. $1/2(sqrt(2)-1)$
2. $-1/4 (sqrt(2)+sqrt(6))$
3. $1/4(sqrt(6) - sqrt(2))$
4. $1/4(sqrt(2) - sqrt(6))$
8.
What is the exact value of $cos(285°) ?$
1. $1/2 (1 - sqrt(2))$
2. $-1/4 (sqrt(6) - sqrt(2))$
3. $1/4 (sqrt(6)-sqrt(2))$
4. $1/4 (sqrt(2) + sqrt(6))$
9.
What is the exact value of $sin(15°) ?$
1. $sqrt(6)/4$
2. $1/2(sqrt(3)-sqrt(2))$
3. $1/4(sqrt(6)+sqrt(2))$
4. $1/4(sqrt(6)-sqrt(2))$
10.
What is the exact value of $sin(195°) ?$
1. $-1/2(sqrt(2)+sqrt(3))$
2. $-1/4(sqrt(6) + sqrt(2))$
3. $1/4(sqrt(2) - sqrt(6))$
4. $1/4(sqrt(6) - sqrt(2))$
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