The sine and cosine ratios for 30 and 60 degrees

Maths

Surds and trigonometry

Complete the statement: In a right angled triangle that has an interior angle of 30 degrees, opposite/ hypotenuse = .................

Complete the statement: In a  right angled triangle that has an interior angle of 60 degrees, opposite/ hypotenuse = .................

Complete the statement: In a right angled triangle that has an interior angle of 60 degrees, adjacent/ hypotenuse = .................

Complete the statement: In a right angled triangle that has an interior angle of 30 degrees, adjacent/ hypotenuse = .................

Fill in the gaps: In a right-angled triangle, the ratio of the length of the side adjacent side to the length of the hypotenuse called the ...................

What is the sine ratio of a right angled triangle with angle 30 degrees?

Which image shows the sides of the triangle correctly labelled  (in relation to angle a)?

Complete the following: sine 30 = ..............

The sine and cosine ratios for 30 and 60 degrees

Lesson outcome