Basic Trigonometry: Sinθ Cosθ Tanθ

2 years ago
30

Hello, today I will go over a practice problem that is very commonly found on standardized math tests and exams. This problem will test your understanding of basic trigonometry like sine, cosine, and tangent.

Problem of the Video: (tan^2θ + 1)cos^2θ = ? What is the value of this equation?

To solve this problem, you can approach it a couple different ways. Check it out in the video! Thanks for watching! Please let me know in the comments if you have any questions.

Timestamps:
00:00 Introduction to standard test problem
00:30 Key trigonometric identity: sin^2θ + cos^2θ = 1
01:17 Sec^2θ
01:46 Solving the practice problem
02:11 Definition of tanθ

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Hope you enjoyed my video! Thank you for watching!

Credits:
Custom Titles: Simple Video Making
Link: https://www.youtube.com/channel/UCOsPt0xImHyuRGU7BntSqDQ

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