then find the value ofxy yz zx BKMathur maths Delhi BKMathur sir

0:11:03

If x cos θ = y cos (θ + 2π/3 ) = z cos ( θ + 4π/3), then find the value of xy + yz + zx #iitjee

0:08:23

Find the value of (1+cos π/8)(1+cos 3π/8)(1+cos 5π/8)(1+cos 7π/8) #iitjee #maths

0:06:30

Show that 2 sin^2 β + 4 cos (α + β) sin α sin β + cos 2 (α + β) = cos 2α #iitjee #maths

0:08:05

if angle theta is divided into two parts then show that sin θ = (k+1)/(k-1)sinφ #iitjee #maths

0:00:39

Class 12th Maths Test on 19 June 2024 at 7 am Slot-1 #bkmathursir #motivation #12th #mathematics

0:07:54

Prove that sec8θ -1 /sec4θ -1 = tan8θ/tan2θ #iitjee #maths

0:08:38

If α and β are the solutions of the equation a tan θ + b sec θ = c, show tan (α + β)= 2ac/a^2-c^2