Pre-Calculus: Trigonometric Identities Help

This page is for pre-calculus students who need help, and for teachers and tutors who are looking for resources on trigonometric identities.

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Pre-Calculus: Trigonometric Identities

 
Many students find trigonometric identities difficult. They feel overwhelmed with trigonometric identities homework, tests and projects. And it is not always easy to find trigonometric identities tutor who is both good and affordable. Now finding trigonometric identities help is easy. For your trigonometric identities homework, trigonometric identities tests, trigonometric identities projects, and trigonometric 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 trigonometric identities videos, trigonometric identities practice word problems, trigonometric identities questions and answers, and trigonometric identities worksheets.

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

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Pre-Calculus: Trigonometric Identities Videos

Sine Cosine Tangent
Video Clip Length: 2 minutes 18 seconds
Video Clip Views: 7730

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

curves, plane figures, shapes, trigonometric functions, trigonometric identities
Ratio Identities
Video Clip Length: 2 minutes 20 seconds
Video Clip Views: 2077

ratio, trigonometric functions, trigonometric identities
Finding Trigonometric Values Using Sohcahtoa
Video Clip Length: 3 minutes 45 seconds
Video Clip Views: 2000

sohcahtoa, trigonometric functions, trigonometric identities
See All Trigonometric Identities Video Tutorials

Pre-Calculus: Trigonometric Identities Word Problems

From the top of a lighthouse
From the top of a lighthouse 160 feet above sea level, the angle of depression to a boat at sea is 25 degree. To the nearest ...
A ramp is at an angle of elevation
A ramp is at an angle of elevation of 30 degrees. The distance from the top of the slope to the ground is 900 ...
A man on a 135-ft vertical cliff looks down
A man on a 135-ft vertical cliff looks down at an angle of 16 degrees and sees his friend. How far away is the man from his ...
See All Trigonometric Identities Worksheets

Pre-Calculus: Trigonometric Identities Practice 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°)...

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This Pre-Calculus page lists video tutorials, worksheets and word problems on trigonometric identities topic.