Example 21 - If tan x = 3/4 , find sin x/2, cos x/2, tan x/2
Elements of plane and spherical trigonometry . , and esc negative,and tan and cot positive. In the fourth quadrant x is positive and y is negative.Hence in this quadrant the negative
tan(180) | tan(pi) | Identity for tan(180) | value of tan(pi) - YouTube
Example 20 - Find value of tan pi/8 - Chapter 3 Class 11