" (iii) "sin A+sin2A+sin4A+sin5A=4cos(A)/(2)cos(3A)/(2)sin3A

Prove that, sinA+sin2A+sin4A+sin5A= 4cos((A)/(2))cos((3A)/(2))sin3A .

Prove that sin A+sin2A+sin4A+sin5A=4((cos A)/(2))(cos3(A)/(2))sin3A

Prove that sinA+sin2A+sin4A+sin5A=4 cos(A/2)cos((3A)/2)sin3A

sin3A+sin2A-sin A=4sin A*cos((A)/(2))*cos((3A)/(2))

Prove the following Identities sin x +sin 2x + sin 4x +sin 5x = 4 cos(x/2).cos((3x)/2)sin3x

Prove that: sinA+sin2A+sin4A+sin5A= 4sin3A. cosA/2.cos(3A)/(2)

Show that sin 3 A + sin 2A -sin A = 4 sin A cos (A)/(2) cos "" (3A)/( 2)

Match list - I with list II ListI " " List II sin 2A " "cos^(2)A - sin^(2)A cos 2A " "2 sin A cos A sin 3A " "2 sin (A)/(2) cos (A)/(2) sin A " "3 sin A - 4 sin^(3) A

Prove that : sin3A+ sin 2A- sinA= 4 sinA cos frac (A)(2) cos frac (3A)(2) .

Prove that: \ sin3A+sin2A-sin A=4sin A cos (A/2)cos((3A)/2)