Trigonometric Identities and Applications

Tap or click on cards to flip them and reveal the answers. You can use arrow keys as well.

  • Loading folders...
1/6 cards
What is a trigonometric identity?
Click to flip
A trigonometric identity is an equation involving trigonometric functions that is true for all angles within a certain range.
Click to flip
Provide an example of a trigonometric identity.
Click to flip
One example is sin²θ + cos²θ = 1.
Click to flip
What is the angle sum identity for sine?
Click to flip
The angle sum identity for sine is sin(A + B) = sinA cosB + cosA sinB.
Click to flip
What real-world applications does trigonometry have?
Click to flip
Trigonometry is used in fields like physics, engineering, astronomy, and navigation.
Click to flip
How does the cosine function relate to the unit circle?
Click to flip
On the unit circle, the cosine of an angle is the x-coordinate of the point where the terminal side intersects the circle.
Click to flip
What is the co-function identity for sine and cosine?
Click to flip
The co-function identity is sin(90° - θ) = cosθ and cos(90° - θ) = sinθ.
Click to flip

Need More Study Materials?

Go back to the chat to generate additional resources.

Create More Resources