Download presentation

Presentation is loading. Please wait.

Published byIsabell Creecy Modified over 2 years ago

1
Evaluating Sine & Cosine and and Tangent (Section 7.4)

2
To express in terms of a reference angle: 2 of 10 1)Find the reference angle of θ 2)Determine the sign ± (quadrant of θ) 3) Write as ± sin In quadrant II sin is + In quadrant III sin is - AS T C

3
3 of 10 Express each of the following in terms of a reference angle:

4
Express each in terms of the reference angle: d. cos 660 0 e. cos 115 0 f. sin 334.8 0 4 of 10

5
5 of 10 To find the value of sin, cos, or tan of angles that are not multiples of 30,45, or 60: Use calculator: Set to “degree” or “radian” mode Round to 4 decimal places

6
6 of 10 Find the exact value of each of the following: (in fraction form, no calculator) 1)Locate angle (quadrant) 2)Determine reference angle 3)Determine trig value 4)Determine sign (look at quadrant)

7
Homework: pg. 279 1 – 4 (a & c) 5 – 10 (c) 11 – 18 (a & c)

Similar presentations

OK

Section 7-3 The Sine and Cosine Functions Objective: To use the definition of sine and cosine to find values of these functions and to solve simple trigonometric.

Section 7-3 The Sine and Cosine Functions Objective: To use the definition of sine and cosine to find values of these functions and to solve simple trigonometric.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on kingdom monera characteristics Ppt on environmental pollution and control Ppt on total parenteral nutrition nursing Download ppt on operating system Ppt on electricity crisis in india Ppt on digital bike locking system Ppt on pricing policy pdf Ppt on land pollution in india Ppt on bresenham's line drawing algorithm in c Ppt on encryption and decryption using rsa algorithm