Chapter 3 – Trig CP

Convert 220⁰ to radians in terms of

1. None of these

Convert 345⁰ to radians in terms of

1. None of these

Convert to degrees.

1. 135⁰2. 220⁰3. 300⁰4. 140⁰

Convert to degrees

1. 220⁰2. 255⁰3. 310⁰4. None of these

Evaluate . Give exact values.

Evaluate . Give exact value.

1. 0

2. undefined

Find the length s in the figure below.

1. 112. 193. 264. 35

s15

100

Find the area of a sector of a circle intercepted by a central angle of 245⁰ in a circle of radius 9.8 in.

1. 178.6 square inches2. 205.3 square inches3. 213.4 square inches4. 332.4 square inches

Use a calculator to find csc 2.7839.

1. -1.06762. -0.37383. 0.35014. 2.8562

Find the linear velocity of a point on the edge of a wheel rotation 35 times per

minute. The diameter of the wheel is 38 cm.

1. 22cm/sec2. 29cm/sec3. 31cm/sec4. 70cm/sec

Two pulleys of radius 6cm and 10cm, respectively, are connected by a belt. The

larger pulley rotates at 40 times per minute. Find the angular velocity of each

pulley in radians per minute.1. 219, 2192. 397, 2383. 419, 2514. 438, 219