Hello Bhupender,
Please check Example 28 of Chapter 3 Class 11 Trigonometry here https://www.teachoo.com/2232/586/Example-28---If-tan-x-=-3-4---find-sin-x-2--cos-x-2--tan-x-2/category/Examples/
Written on March 26, 2017, 8:17 p.m.
-
Answer of this question
If tanx=3/4,π<x<3π/2.find the value of sinx/2,cosx/2,and tanx/2.
Davneet Singh
Comment