# Identities Help : Videos | Worksheets | Word Problems

Many students find identities difficult. At TuLyn, we have hundreds of free identities video tutorials, printable identities worksheets, and identities word problems to help you better understand identities and get better grades.

# Identities

Many students find identities difficult. They feel overwhelmed with identities homework, tests and projects. And it is not always easy to find identities tutor who is both good and affordable. Now finding identities help is easy. For your identities homework, identities tests, identities projects, and identities tutoring needs, TuLyn is a one-stop solution. You can master hundreds of math topics by using TuLyn.

At TuLyn, we have over 2000 math video tutorial clips including identities videos, identities practice word problems, identities questions and answers, and identities worksheets.

Our identities videos replace text-based tutorials and give you better step-by-step explanations of identities. Watch each video repeatedly until you understand how to approach identities problems and how to solve them.
• Hundreds of video tutorials on identities make it easy for you to better understand the concept.
• Hundreds of word problems on identities give you all the practice you need.
• Hundreds of printable worksheets on identities let you practice what you have learned by watching the video tutorials.
How to do better on identities: TuLyn makes identities easy.

# Sine Cosine Tangent Video Clip

Sine Cosine Tangent
Video Clip Length: 2 minutes 18 seconds
Video Clip Views: 34579

This clip gives the definitions of the trigonometric functions sine, cosine and tangent.

curves, functions, identities, plane figures, shapes, trigonometric functions, trigonometric identities

# Finding Trigonometric Values Using Sohcahtoa Video Clip

Finding Trigonometric Values Using Sohcahtoa
Video Clip Length: 3 minutes 45 seconds
Video Clip Views: 12325

functions, identities, sohcahtoa, trigonometric functions, trigonometric identities

# Evaluating Trigonometric Expressions Using Sum Of Two Angles Identity Video Clip

Evaluating Trigonometric Expressions Using Sum Of Two Angles Identity
Video Clip Length: 1 minute 34 seconds
Video Clip Views: 9978

evaluating expressions, evaluating trigonometric expressions, expressions, identities, trigonometric expressions, trigonometric identities

# Evaluating Trigonometric Expressions Using Pythagorean Identity 2 Video Clip

Evaluating Trigonometric Expressions Using Pythagorean Identity 2
Video Clip Length: 2 minutes 13 seconds
Video Clip Views: 8380

evaluating expressions, evaluating trigonometric expressions, expressions, identities, trigonometric expressions, trigonometric identities

# Evaluating Trigonometric Expressions Using Double Angle Identity Video Clip

Evaluating Trigonometric Expressions Using Double Angle Identity
Video Clip Length: 2 minutes 18 seconds
Video Clip Views: 8322

evaluating expressions, evaluating trigonometric expressions, expressions, identities, trigonometric expressions, trigonometric identities

# Evaluating Trigonometric Expressions Using Double Angle Identity 2 Video Clip

Evaluating Trigonometric Expressions Using Double Angle Identity 2
Video Clip Length: 1 minute 36 seconds
Video Clip Views: 8207

evaluating expressions, evaluating trigonometric expressions, expressions, identities, trigonometric expressions, trigonometric identities

# Evaluating Trigonometric Expressions Using Difference Of Two Angles Identity Video Clip

Evaluating Trigonometric Expressions Using Difference Of Two Angles Identity
Video Clip Length: 4 minutes 21 seconds
Video Clip Views: 8205

evaluating expressions, evaluating trigonometric expressions, expressions, identities, trigonometric expressions, trigonometric identities

# Evaluating Trigonometric Expressions Using Pythagorean Identity Video Clip

Evaluating Trigonometric Expressions Using Pythagorean Identity
Video Clip Length: 2 minutes 24 seconds
Video Clip Views: 8001

evaluating expressions, evaluating trigonometric expressions, expressions, identities, trigonometric expressions, trigonometric identities

# Ratio Identities Video Clip

Ratio Identities
Video Clip Length: 2 minutes 20 seconds
Video Clip Views: 7976

functions, identities, ratio identities, trigonometric functions, trigonometric identities

# Reciprocal Identities Video Clip

Reciprocal Identities
Video Clip Length: 2 minutes 25 seconds
Video Clip Views: 6603

functions, identities, reciprocal identities, trigonometric functions, trigonometric identities

# Top Identities Word Problems

• A man on a 135-ft vertical cliff looks down (#2873)
A man on a 135-ft vertical cliff looks d... ...s the friend from the base of the cliff?
curves, functions, identities, plane figures, polygons, pythagorean theorem, right triangles, shapes, sohcahtoa, triangles, trigonometric functions, trigonometric identities
• A ladder rests against a wall (#2926)
A ladder rests against a wall. the top o... ...3 with the wall. how long is the ladder?
functions, identities, sohcahtoa, trigonometric functions, trigonometric identities
• A ramp is at an angle of elevation (#1987)
A ramp is at an angle of elevation of 30... ...meters. What is the lenght of the ramp?
functions, identities, sohcahtoa, trigonometric functions, trigonometric identities
• From the top of a lighthouse (#1560)
From the top of a lighthouse 160 feet ab... ...the boat to the base of the lighthouse?
functions, identities, sohcahtoa, trigonometric functions, trigonometric identities
• A ski slope at a mountain has an angle of elevation (#2257)
A ski slope at a mountain has an angle o... ...is 1808 feet. How long is the ski slope?
functions, identities, sohcahtoa, trigonometric functions, trigonometric identities

# Homework Help Questions

• cos 3 t = cos3 t - 3 sin2 t cos t
• tan 59
• a=8.5 c = 14.2
• Prove the identity: cos3x=4cos x-3cos x
• Find the exact value of tan(105°). Use a sum or difference identity.
• a bus traveling 40 mi/h and a car traveling 50 mi/h cover the same distance? The bus travels1 h more than a car how many hours did each travel

# How Others Use Our Site

I hope to get a better understanding of Pythagorean identities.

How many legs in total do a chicken, two ducks,and a sheep have?

### Trigonometric Identities

Hundreds of video clips, worksheets, and word problems on trigonometric identities.