Trigonometry - Buaft.com

Signs of trigonometric function theta

Signs of trigonometric function theta: If theta θ is not a quadrant angle, then it will lie in a particular quadrant. Because r = √ x²+y² is always positive, it …

Trigonometric identities of any real number theta

Trigonometric identities of any real number theta:For any real number theta (θ) we shall derive the following fundamental identities. (1) sin²θ + cos² θ = 1 (2) 1 + tan² …

Trigonometric Function of any Angle

Trigonometric Function of any Angle:Consider a right Angle Triangle ABC with Angle ∠ C =90° and side a, b, c as shown in the Figure. Let m ∠ A = …

Initial side and terminal side angle

Initial side and terminal side angle:Two rays with a common starting point from an angle and the other is terminal side. The angle is identified by showing the direction of …

circular radius of length theta

Circular radius of length theta: Where r is the radius of the circle l, is the length of the arc and theta mathematical denoted by θ is the circular measure …

Sexagesimal system Degree minute second

Sexagesimal system Degree minute second: If the initial ray OA Rotates in anticlockwise direction in such a way that it coincides with itself, the angle then formed is said to …

x y coordinate system of rotation

x.y coordinate system of rotation: Let x y coordinate system be given. We We rotate the x y coordinate system about the origin through an angle θ, where 0 < …

linear inequalities in ordered pair

Linear inequalities in ordered pair(1)The set of ordered pair (x, y) such that ax+by < c (2) And the set of ordered pair (x, y) such that ax+by > c …

Line segment dividing the point

Line segment dividing the point: Let A (x ₁, y ₁) and B(x ₂, y ₂) be the given two point in a plane. The coordinate of the point dividing …

Collinear and non collinear point

Collinear and non-collinear point in the plane, two or more points which lie on the same straight line are called collinear points with respect to that line and outside the …