Trigonometry For Beginners!

TL;DR

This video introduces the concept of right triangle trigonometry, explaining the three sides of a triangle (opposite, adjacent, and hypotenuse) and the six trigonometric functions (sine, cosine, tangent, cosecant, secant, and cotangent).

Transcript

have you ever heard of the expression sohcahtoa what do you think this expression means in this lesson we're going to focus on right triangle trigonometry let's say if this is the angle theta now there's three sides of this triangle that you need to be familiar with opposite to theta this is the opposite side and next to the angle of theta is the a... Read More

Key Insights

• 🙃 Right triangles have three sides: opposite, adjacent, and hypotenuse.
• 🙃 The six trigonometric functions - sine, cosine, tangent, cosecant, secant, and cotangent - relate the sides of a right triangle.
• 🗯️ The Pythagorean theorem can be used to find the missing side of a right triangle.
• 🥳 Special right triangles with specific side ratios can make calculations easier.
• 🙃 The values of the six trigonometric functions can be found using the ratios of the sides of a right triangle.
• 🔺 Inverse trigonometric functions can be used to find missing angles in a right triangle.
• 🌍 Trigonometry has various applications in solving real-world problems.

Summary & Key Takeaways

• The video begins by explaining the three sides of a right triangle: opposite, adjacent, and hypotenuse.

• It introduces the six trigonometric functions: sine, cosine, tangent, cosecant, secant, and cotangent.

• The video demonstrates how to find missing sides of a right triangle using the Pythagorean theorem and how to find the values of the six trigonometric functions.