Lesson: Trigonometric Ratios in Right Triangles
In this lesson, we will learn how to find and express the values of the three trigonometric ratios—sine, cosine, and tangent—for a given angle in a right triangle.
Sample Question Videos
Worksheet: 25 Questions • 4 Videos
Find the main trigonometric ratios of given is a right-angled triangle at where and .
is a diameter of a circle with radius 62.5 cm. Point is on the circumference of the circle where and . Find the exact values of and .
Find the main trigonometric ratios of given is a right-angled triangle at where .