News

To find the value of \ (Ɵ\), calculate sin⁻¹ or cos⁻¹ or tan⁻¹ of the fraction on the right hand side. sin⁻¹ or cos⁻¹ or tan⁻¹ can usually be inputted on a scientific calculator ...
In a right angled triangle the three sides are perpendicular, base and hypotenuse, as shown in the image below. There are three main trigonometric functions - Sine θ (sin θ), Cosine θ (cos θ ...
This angle is then used to describe the ratios of the sides of the right-angled triangle through sin, cos and tan. Read more: Your guide to solving the next online viral maths problem ...