if cos alpha/cos beta = m and cos alpha/sin beta = n then show that (m^2+n^2) cos^2 beta = n^2
Question
Where we have to put "c" in standard form of linear equation in 2 variable , in crosss multiplication method.
Maths
June 8, 2018, 12:11 a.m.
Answer
In PS is the bisector of angle qpr of triangle pqr prove that qs_sr=pq_pr
Maths
June 7, 2018, 11:57 p.m.
Answer
The question 8 in 7.10 exercise of class 12th ncert the method 1 mention in that is wrong.