A trigonometry equation is an equation that involves trigonometric functions such as sine, cosine, and tangent. These equations can be used to solve for unknown angles or sides of triangles.
The basic trigonometric functions are sine (sin), cosine (cos), and tangent (tan). These functions are used to relate the angles and sides of a right triangle.
To solve a trigonometry equation, you must first identify the given information (angles or sides) and the unknown value. Then, use the appropriate trigonometric function and apply the appropriate formula to solve for the unknown value.
Some common trigonometric identities include the Pythagorean identities (sin²θ + cos²θ = 1), the double angle identities (sin2θ = 2sinθcosθ), and the sum and difference identities (sin(θ ± φ) = sinθcosφ ± cosθsinφ).
Trigonometry has many real-life applications, such as in engineering, construction, navigation, and astronomy. It is used to calculate the height of buildings, the distance between two points, and the trajectory of objects in motion, among other things.