Objective: For students to use the half angle formula to find sin(22

Slides:

Advertisements

Similar presentations

Trigonometry Exit Definitions sine cosine & tangent adjacent side opposite side angle hypotenuse Terminology.

Advertisements

COMPOUND ANGLE FORMULAE.

Warm Up Evaluate each of the following.

Copyright © 2014, 2010, 2007 Pearson Education, Inc. 1 Objectives: Use the formula for the cosine of the difference of two angles. Use sum and difference.

7.5 Values of Trig Functions. Trig Values for Non-special Angles Use calculator to find value & round to 4 digits * make sure calc is in DEG mode * angle.

WARM - UP. SOLVING EXPONENTIAL & LOGARITHMIC FUNCTIONS SECTION 3.4.

Lesson 24 – Double Angle & Half Angle Identities

Solving Absolute Value Equations. Warm Up With a partner find the absolute value of the following:

Lesson Quiz Lesson Quiz Lesson Presentation Lesson Presentation Lesson 9.3 Evaluate Trigonometric Functions of Any Angle Warm-Up Standard Accessed: Students.

Pre-Calc/Trigonometry, 5.3 Sum/Difference and Double Angle Formulas for Tangent Objective: For students Standards: F-TF 8 HW: p. 252, 3, 4, 17, 18, 39,

Warm Up If name is on the board put HW on the board Complete the warm up on the board with a partner. Section 8.3.

Aim: How do we solve trig equations using reciprocal or double angle identities? Do Now: 1. Rewrite in terms of 2. Use double angle formula to rewrite.

Trig – 3/10/2016 Find the exact values of sin 2x, cos 2x, and tan 2x. 313 HW: p , 45, 47, 49, 51, 59, 61 Honors: 89, 91 Today’s Lesson: Half-Angle.

Molarity and Dilution Calculations.  Objective:  Today I will be able to:  Calculate the molarity of a solution  Calculate dilutions from a stock.

Y x Warm – up # xy

(a) To use the formulae sin (A B), cos (A B) and tan (A B). (b) To derive and use the double angle formulae (c) To derive and use the half angle formulae.

Day 9 Geometry.

Find the values of the six trigonometric functions for 300

Trigonometry Section 7.6 Apply inverse trigonometry functions

Homework Log Mon 5/9 Lesson 8 – 7 Learning Objective:

Homework Questions.

Subtopic 2.3: Compound Angle Formulae

Warm Up 4) 30° 5)

Welcome to Precalculus!

Section 5.5B Half Angle Formulas

WARM UP Use special triangles to evaluate:.

Trigonometric Functions

Trigonometry The study of... Angles..

5.5/5.6 – Double- and Half-Angle Identities

Trig addition formulae

Multiple-Angle and Product-Sum Formulas

Lesson 38 – Double Angle & Half Angle Identities

Section Name: CPCTC Proofs

Inverse Trig Functions

Find sin 2x, cos 2x, and tan 2x from the given information: {image} Select the correct answer:

Trig addition formulae

Double- And Half-Angle Formulas

Warm-up: HW: pg. 490(1 – 4, 7 – 16, , 45 – 48)

5-3 Tangent of Sums & Differences

Warm-up 1) What word will you use to help you remember how to find sine, cosine, and tangent for right triangles? 2) Do sides of 15, 25, and 20 correspond.

Warm-up: Find sin(195o) HW : pg. 501(1 – 18).

Homework Log Fri 4/22 Lesson 8 – 4 Learning Objective:

Pre-Calc/Trigonometry, 5

Analytic Trigonometry

Aim: What are the double angle and half angle trig identities?

Half-Angle Identities

Power-reducing & Half angle identities

Have homework out to be checked!!

Double-Angle, Half-Angle Formulas

7-3 Identities Day 1.

Solving Trigonometric Equations

Unit #7: Trig Identities Lesson 5: Half-Angle Formulas

Warm Up 1) Find f(-3) for

Unit #7: Trig Identities Lesson 5: Half-Angle Formulas

What is coming up due?.

Section 4.1 Day 2 Antiderivatives and Indefinite Integration

Warm-up 1) What word will you use to help you remember how to find sine, cosine, and tangent for right triangles? 2) Do sides of 15, 25, and 20 correspond.

x x HW 13: Inverse Trig Functions HW 13: Inverse Trig Functions

Atom Exam Electron Configuration

Measurement Lab.

LT: I can use the Law of Sines and the Law of Cosines to find missing measurements on a triangle. Warm-Up Find the missing information.

Warm Up – 2/27 - Thursday Find the area of each triangle.

2 Analytic Trigonometry

Warm Up April 17 Solve for S.

Core 3 Trigonometry

Aim: How do we solve trig equations using

Warm – up #4 1. Evaluate

2.2 Trig Ratios of Any Angle (x, y, r)

Presentation transcript:

Objective: For students to use the half angle formula to find sin(22 Objective: For students to use the half angle formula to find sin(22.5) without a calculator Standards: F-TF 8 HW: P. 266, 1, 2, 5, 6, 7, 9, 11, 15, 17, 19, 21, 23, 25, 31, 33, 41, 49, 51 Assessment: Exit Ticket

Warm-up Given secA = -17/15 in QIII and tanB = 11/60 in QI. Find sin(A+B), cos(A-B) and tan(2A). Evaluate: sin(π/15)cos(π/10) + cos(π/15)sin(π/10) Prove sinB/tanB =

5.4 Half Angle Formulas

Evaluate without a calculator cos(105) sin(195) sin(22.5) cos(15) sin(67.5)

Homework P. 266, 1, 11, 17, 19, 21, 31, 51