Tutorial - Given the Cosine of an Angle Determine the Double Angle for Sine, Cosine and Tangent

The video tutorial covers solving a trigonometric problem involving sine, cosine, and tangent of a given angle. It explains the constraints of the angle, the use of the unit circle, and constructing a triangle to find missing values. The tutorial then applies double angle formulas for sine, cosine, and tangent, demonstrating the calculations step-by-step. The session concludes with a Q&A to clarify any doubts.

What are the three trigonometric functions discussed in the text?

How do you determine the sine and tangent of angle U based on the cosine value provided?

Explain the constraint given for the angle U in the problem.

What is the significance of the unit circle in finding the values of sine and cosine?

Describe the process of calculating the sine of 2U using the double angle formula.

What formula is used to calculate cosine of 2U, and how is it derived?

Explain how to find the tangent of 2U using the tangent values derived earlier.