Presentation is loading. Please wait.

Presentation is loading. Please wait.

8-4 Trigonometry Vocab Trigonometry: The study of triangle measurement

Published byMiloslav Švec Modified over 5 years ago

Similar presentations

Presentation on theme: "8-4 Trigonometry Vocab Trigonometry: The study of triangle measurement"— Presentation transcript:

1 8-4 Trigonometry Vocab Trigonometry: The study of triangle measurement
Trig Ratio: The ratio of 2 side lengths of a right triangle Trig Ratios Sine (Sin): opposite/hypotenuse Cosine (Cos): adjacent/hypotenuse Tangent (Tan): opposite/adjacent

2 Finding Trig Ratios Ex 1: Write all 3 trig ratios for J
Ex 2: Write all 3 trig ratios for L

3 Inverse Trig Ex 3: Find the measure of angle T
Ex 4: Find the measure of angle R

4 Finding Measures Ex 5: Find the measure of BC Ex 6: Solve for x

5 Classwork/Homework P even

Download ppt "8-4 Trigonometry Vocab Trigonometry: The study of triangle measurement"

Similar presentations

Solving Right Triangles Essential Question How do I solve a right triangle?

Solving Right Triangles Essential Question How do I solve a right triangle?
Trigonometry Right Angled Triangle. Hypotenuse [H]

Trigonometry Right Angled Triangle. Hypotenuse [H]
D. Trigonometry Math 10: Foundations and Pre-Calculus FP10.4 Develop and apply the primary trigonometric ratios (sine, cosine, tangent) to solve problems.

D. Trigonometry Math 10: Foundations and Pre-Calculus FP10.4 Develop and apply the primary trigonometric ratios (sine, cosine, tangent) to solve problems.
Lesson 9-1 & 9-2: Trigonometry of Right Triangles (Sine, Cosine, Tangent) SOH-CAH-TOA.

Lesson 9-1 & 9-2: Trigonometry of Right Triangles (Sine, Cosine, Tangent) SOH-CAH-TOA.
YYou must remember the Pythagorean Theorem a² + b² = c² and that it only works on right triangles. YYou must also be able to identify triangles as.

YYou must remember the Pythagorean Theorem a² + b² = c² and that it only works on right triangles. YYou must also be able to identify triangles as.
Trigonometry Chapters 8.2 - 8.3. 45-45-90 Theorem.

Trigonometry Chapters Theorem.
Starter a 6 c A 53° 84° 1.Use Law of Sines to calculate side c of the triangle. 2.Use the Law of Cosines to calculate side a of the triangle. 3.Now find.

Starter a 6 c A 53° 84° 1.Use Law of Sines to calculate side c of the triangle. 2.Use the Law of Cosines to calculate side a of the triangle. 3.Now find.
Solve Right Triangles Ch 7.7. Solving right triangles What you need to solve for missing sides and angles of a right triangle: – 2 side lengths – or –

Solve Right Triangles Ch 7.7. Solving right triangles What you need to solve for missing sides and angles of a right triangle: – 2 side lengths – or –
8.3 Solving Right Triangles

8.3 Solving Right Triangles
Trigonometry Unit 2: 2-dimensional Motion From:

Trigonometry Unit 2: 2-dimensional Motion From:
Geometry Notes Lesson 5.3A – Trigonometry T.2.G.6 Use trigonometric ratios (sine, cosine, tangent) to determine lengths of sides and measures of angles.

Geometry Notes Lesson 5.3A – Trigonometry T.2.G.6 Use trigonometric ratios (sine, cosine, tangent) to determine lengths of sides and measures of angles.
Trigonometry. Basic Ratios Find the missing Law of Sines Law of Cosines Special right triangles 100 200 300 400 500.

Trigonometry. Basic Ratios Find the missing Law of Sines Law of Cosines Special right triangles
1 Mathematical Fundamentals Need working knowledge of algebra and basic trigonometry if you don’t have this then you must see me immediately!

1 Mathematical Fundamentals Need working knowledge of algebra and basic trigonometry if you don’t have this then you must see me immediately!
Introduction to Trigonometry What is Trigonometry? Trigonometry is the study of how the sides and angles of a triangle are related to each other. It's.

Introduction to Trigonometry What is Trigonometry? Trigonometry is the study of how the sides and angles of a triangle are related to each other. It's.
7.2 Finding a Missing Side of a Triangle using Trigonometry

7.2 Finding a Missing Side of a Triangle using Trigonometry
Review of Trig Ratios 1. Review Triangle Key Terms A right triangle is any triangle with a right angle The longest and diagonal side is the hypotenuse.

Review of Trig Ratios 1. Review Triangle Key Terms A right triangle is any triangle with a right angle The longest and diagonal side is the hypotenuse.
Geometry Warm-Up 2/6/12 The perimeter of a square is 20 inches. Find the length of a side on the square and the diagonal.

Geometry Warm-Up 2/6/12 The perimeter of a square is 20 inches. Find the length of a side on the square and the diagonal.
Solve Right Triangles Ch 7.7. Solving right triangles What you need to solve for missing sides and angles of a right triangle: – 2 side lengths – or –

Solve Right Triangles Ch 7.7. Solving right triangles What you need to solve for missing sides and angles of a right triangle: – 2 side lengths – or –
Right Triangle Trigonometry Three Basic Trig Ratios: sin θ = opposite/hypotenuse cos θ = adjacent/hypotenuse tan θ = opposite/adjacent Adjacent Side Hypotenuse.

Right Triangle Trigonometry Three Basic Trig Ratios: sin θ = opposite/hypotenuse cos θ = adjacent/hypotenuse tan θ = opposite/adjacent Adjacent Side Hypotenuse.
Finding a Missing Angle of a Right Triangle. EXAMPLE #1  First: figure out what trig ratio to use in regards to the angle.  Opposite and Adjacent O,A.

Finding a Missing Angle of a Right Triangle. EXAMPLE #1  First: figure out what trig ratio to use in regards to the angle.  Opposite and Adjacent O,A.

Similar presentations

Ads by Google