There are 6 ratios in trigonometry namely- sin, cos, tan, cot, sec, and cosec. The method to find them in a right-angled triangle is as follow- cosec A= Hypotenuse/Perpendicular; (Here ...

4.The values of trigonometric ratios for angles 0°, 30°, 45°, 60° and 90°. 5.The value of sin A or cos A never exceeds 1, whereas the value of sec A or cosec A is always greater than or equal ...