cos2x" [NCERT] "

NCERT Exercise 2.1|NCERT Exercise 2.2|OMR

NCERT Questions|NCERT Questions Part-2

NCERT Questions|NCERT Questions Part-2

If tanx=b/a then sqrt((a+b)/(a-b))+sqrt((a-b)/(a+b))= ........................... A) (2 sin x)/(sqrt(sin2x)) B) (2 cos x)/(sqrt(cos2x)) C) (2 cos x)/(sqrt(sin2x)) D) (2 sin x)/(sqrt(cos2x))

6tan^(2)x-2cos^(2)x=cos2x if cos2x=

Lim_(x->0)(1-cos x-cos2x+cos x cos2x)/(x^(4))

If cos2x+2cos x=1 then sin^(2)x(2-cos^(2)x) is

If cos2x+2cos x=1 then (2-cos^(2)x)sin^(2)x is equal to

If cos2x+2cos x=1 then sin^(2)x(2-cos^(2)x) is

If cos2x+2 cos x=1 , then (sin^(2)x)(2-cos^(2)x) is equal to