(sin x - sin 3x)/(sin^(2)x-cos^(2)x)=2sinx 03:43 (cos 4x+cos3x+cos2x)/(sin 4x+sin3x+sin2x)=cot3x 02:49 cot x cot 2x-cot 2x cot3x-cot3x cotx=1 02:36 tan4x=(4tan x(1-tan^(2)x))/(1-6tan^(2)x+tan^(4)x) 05:56 Prove that : tan 3x=(3tanx-tan^(3)x...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...