### Create a StudySoup account

#### Be part of our community, it's free to join!

Already have a StudySoup account? Login here

# Trigonometry Section 2.3 MTH 181

MSU

### View Full Document

## 11

## 0

## Popular in Trigonometry

## Popular in Math

This 0 page Class Notes was uploaded by Joseph Notetaker on Tuesday March 22, 2016. The Class Notes belongs to MTH 181 at Missouri State University taught by Micheal E. Cagle in Spring 2016. Since its upload, it has received 11 views. For similar materials see Trigonometry in Math at Missouri State University.

## Similar to MTH 181 at MSU

## Popular in Math

## Reviews for Trigonometry Section 2.3

### What is Karma?

#### Karma is the currency of StudySoup.

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 03/22/16

Trigonometry Section 23 Here are some things that will be helpful All The unit circle will also be helpful X 0 E E E E for this section 6 4 3 2 Sin 0 1 1 2 2 2 CO 1 E Q l 0 Sin s 2 2 2 Csc Ta 0 B 1 x3 DN n 7 E Tan Cot e1 COS E Cosine is positive in 1 and 4 and has two solutions 1 H cosr zsr 2 3 H 5H 1 4 Q 3 Q 3 Q19k2 Add two rotations to equal 9 Q4ze57Hkss2n Let s try a tangent problem DEC Assign the values from the unit circle Use the table to find the value of the reference angles Answer for sin and cos problems must have two values quadrants tan 9 3 H tan r lS r 6 1 e H k Q 39 g 1 tangent problems only require one value because tangent problems create straight diagonal line Now for a more interesting problem 2 n39l0 e 1 5m 3 5 Use algebra to create a rational equation note sin39 i 3sin9 sin r is r E 2 6 H Q133 92Ek2H Write answers in terms of 39 Q2395Hk2H H kgtllt2H Q1 921 8 3 Use diVision 5H kgtIlt2H 29 Q 18 3 Next something even harder 4 2 92 CSC 3 cscG HZ i E Find the square roots Sine 6 7 Reciprocate for a sin problem 3 H s1nr lsr 2 H Q 1 3 e 2 g k 2 H There should be an answer in every quadrant 2 H Q 2 3 e 7 k 2 H because the reference angle is positive and negative Q394THk2H Q4ze57Hk2n Now for Quadratic equations co 529 6059 0 cosGcosG l0 Factor case 0 Vcosel cosrlisr0 H cosr015r 2 H H e k H Quadrants are irrelevant because 3 and 0 represent a right 9k2H angle Last one case 1 sin 1 sin 9 2 case 32 3 Square both sides Z co 5291 25in9sin29 1 Si n29 1 2 Sine Si quot2 9 Use Pythagorean identities 2 si 1129 2 Sine 0 Move terms to one side 2 sine sine 1 0 Factor 2sinr0issinr0isr0 H s1nr115r 2 H e E k H Remember to check for extraneous solutions 9k2H

### BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.

### You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

#### "There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

#### "I made $350 in just two days after posting my first study guide."

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

#### "Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.