Drill 9-solutions

# Drill 9-solutions - to (aqt73) Drill 9 seckin (54330) 1...

This preview shows pages 1–4. Sign up to view the full content.

to (aqt73) – Drill 9 – seckin – (54330) 1 This print-out should have 41 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 (part 1 of 4) 10.0 points Suppose csc θ = 5 4 , tan θ = 4 3 a) ±ind sin θ . 1. 5 4 2. 4 3 3. 3 4 4. 3 5 5. 5 3 6. None oF these 7. 4 5 correct Explanation: θ is in Quadrant I. sin θ = 1 csc θ = 4 5 002 (part 2 of 4) 10.0 points b) ±ind cos θ . 1. None oF these 2. 5 3 3. 4 3 4. 3 5 correct 5. 5 4 6. 4 5 7. 3 4 Explanation: cos θ = sin θ tan θ = 4 5 · 3 4 = 3 5 003 (part 3 of 4) 10.0 points c) ±ind sec θ . 1. 5 3 correct 2. 4 5 3. 5 4 4. None oF these 5. 3 5 6. 4 3 7. 3 4 Explanation: sec θ = 1 cos θ = 5 3 004 (part 4 of 4) 10.0 points d) ±ind cot θ . 1. 4 5 2. 5 3 3. 5 4 4. 3 4 correct 5. 3 5 6. 4 3 7. None oF these Explanation: cot θ = 1 tan θ = 3 4

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
to (aqt73) – Drill 9 – seckin – (54330) 2 005 (part 1 of 4) 10.0 points Suppose cot φ = - 2 , sin φ = 5 5 a) Find cos φ . 1. - 5 2 2. None of these 3. - 2 5 5 correct 4. - 1 2 5. 5 6. - 2 Explanation: φ is in Quandrant II. cos φ · sin φ sin φ = cot φ sin φ = - 2 5 5 006 (part 2 of 4) 10.0 points b) Find tan φ . 1. None of these 2. - 5 2 3. - 2 5 5 4. 5 5. - 2 6. - 1 2 correct Explanation: tan φ = 1 cot φ = - 1 2 007 (part 3 of 4) 10.0 points c) Find csc φ . 1. - 2 2. - 5 2 3. - 1 2 4. - 2 5 5 5. 5 correct 6. None of these Explanation: csc φ = 1 sin φ = 5 5 · 5 5 = 5 008 (part 4 of 4) 10.0 points d) Find sec φ . 1. - 2 5 5 2. - 2 3. 5 4. - 1 2 5. - 5 2 correct 6. None of these Explanation: sec φ = 1 cos φ = - 5 2 5 · 5 5 = - 5 2 009 (part 1 of 6) 10.0 points Consider the angle t de±ned by the point p 8 17 , 15 17 P
to (aqt73) – Drill 9 – seckin – (54330) 3 p 8 17 , 15 17 P x y on the unit circle. a) Find sin t 1. 8 15 2. 17 15 3. 17 8 4. 15 17 correct 5. None of these 6. 8 17 7. 15 8 Explanation: ( x, y ) = p 8 17 , 15 17 P sin t = y = 15 17 010 (part 2 of 6) 10.0 points b) Find cos t 1. 8

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 06/14/2011 for the course MATH 305G taught by Professor Cathy during the Spring '11 term at University of Texas.

### Page1 / 11

Drill 9-solutions - to (aqt73) Drill 9 seckin (54330) 1...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online