# Trig Review Question Preview (ID: 47550)

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This Is A Review Of Key Concepts From Trig.
TEACHERS: click here for quick copy question ID numbers.

**tan (pi/4)**

a) 1

b) 2

c) undefined

d) 0

**cos (pi/4)**

a) 0

b) 1

c) square root of 2

d) (1/2) square root of 2

**Sin (pi/4)**

a) 0

b) 1

c) square root of 2

d) (1/2) square root of 2

**Tan 0**

a) 1

b) 2

c) Undefined

d) 0

**Cos 0**

a) 1

b) 0

c) square root of 2

d) (1/2)square root of 2

**Tan (pi/2)**

a) 1

b) 2

c) undefined

d) 0

**Sin 0**

a) 1

b) 0

c) square root of 2

d) (1/2)square root of 2

**Cos (pi/2)**

a) 1

b) 0

c) square root of 2

d) 1/2(square root of 2)

**Sin (pi/2)**

a) 1

b) 0

c) square root of 2

d) 1/2(square root of 2)

**sin (pi/3)**

a) 1

b) 0

c) square root of 3

d) (1/2) square root of 3

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