4.2-4.3 Review

Sine

100

Find the value, Sin(5π/4)

−√2/2

200

Find the value, Sin(30°)

1/2

300

Find the value, Sin(2π/3)

√3/2

Cosine

100

Find the value of Cos(135°)

-1/√2

200

Find the value Cos(π/4)

1/√2

300

Find the value of, Cos(π)

-1

Tangent

100

Find the value, Tan(180°)

0

200

Find the value, tan(3π/2)

Undefined :0

300

Find the value, Tan(315°)

-1

Triangle Trigonometry

100

Find ‘X’ (Prompt B)

x=10/sin(42)

200

Find ‘X’ (Prompt E)

x = 22/cos(55)

300

In triangle ABC, angle A is a right triangle. If cos C = 9/14, find csc B.

csc B = 14/9

400

In triangle ABC, angle A is a right triangle. If tan of b = 8/9, find cos B.

Cos b = 9/12

Reciprocal Identities

100

Find the reciprocal of sec(π/3)

2

200

Find the reciprocal of csc(-225°)

√2

300

Find the reciprocal of cot(180°)

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400

Find the reciprocal of Tan(4π/3)

√3/3