Who is the author of the book “Lal Salaam”?
Smriti Irani is the author of the book “Lal Salaam”. The novel, inspired by the tragic killings of 76 CRPF personnel in Dantewada in April 2010, is a tribute to the exceptional men and women who have given a lifetime of service to the country.
if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
What is the value of [(tan 5θ + tan 3θ)/4 cos 4θ (tan 5θ – tan 3θ)]?
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?
If cos²α + cos²β = 2, then the value of tan⁴α + sin⁸β is
