Prove that : cos(A-B) = cos((pi)/(6)+A)....

Prove that : `cos(A-B) = cos((pi)/(6)+A).cos((pi)/(6)+B)+sin((pi)/(6)+A).sin((pi)/(6)+B).`

Prove that : cos(A-B) = cos((pi)/(6)+A).cos((pi)/(6)+B)+sin((pi)/(6)+A...
Text Solution
|
cos^(-1)(cos((7pi)/6))is equal to (A) (7pi)/6 (B) (5pi)/6 (C) pi/3 (D)...
Text Solution
|
lim (x rarr (pi) / (6)) (2 (sin x cos ((pi) / (6)) - cos x sin ((pi) /...
Text Solution
|
Prove that: sin(8pi)/3cos(23pi)/6+cos(13pi)/3sin(35pi)/6=1/2
Text Solution
|
Prove that : cos(A-B) = cos((pi)/(6)+A).cos((pi)/(6)+B)+sin((pi)/(6)+A...
Text Solution
|
सिद्ध कीजिए की: ( sin ""( pi )/(6) + cos ""( pi )/( 6)) ( sin ""(pi...
Text Solution
|
If A (pi//6 )= [(cos . pi/6 , sin . pi/6 , 0 ),(sin . pi/6 , cos . pi/...
Text Solution
|
Prove that.cos(pi/3)cos(pi/6)+sin(pi/3)sin(pi/6)=cos(pi/6)
Text Solution
|
One of the value of (cos (pi)/(6)+i sin (pi)/(6))^(1 / 2)+(cos (pi)/(6...
Text Solution
|