`sin5A=5cos^4AsinA-10cos^2Asin^3A+sin^5A`

Prove that, sin5A=5cos^(4)AsinA-10cos^(2)Asin^(3)A+sin^(5)A

sin5A=5cos^(4)A sin A-10cos^(2)A sin^(3)A+sin^(5)A

Prove that: (sin3Acos4A-sinAcos2A)/(sin4AsinA+cos6AcosA)=tan2A

Prove that: (sin3Acos4A-sinAcos2A)/(sin4AsinA+cos6AcosA)=tan2A

(cos2A cos3A-cos2A cos7A+cos A cos10A)/(sin4A sin3A-sin2A sin5A+sin4A sin7A)=cot6A cot5A

(cos2A cos3A-cos2A cos7A+cos A cos10A)/(sin4A sin3A-sin2A sin5A+sin4A sin7A)=cot6A*cot5A

Prove that: (sin2A sin3A-sin4A sin5A+sin3A sin6A)/(cos2A cos3A-cos4A cos5A+cos3A cos6A)=tan A tan4A

(cos5A+cos3A+cosA)/(sin5A-sin3A+sinA)=

Prove that: (cos2A\ cos3A-cos2Acos7A+cos10 A cos A)/(sin4A\ sin3A-sin2A sin5A+sin4Asin7A )=cot6A\ cot5A

Prove that: (cos 2A cos 3A-cos 2A cos 7A + cos A cos 10A)/(sin 4A sin 3A -sin 2A sin 5A + sin 4A sin 7A)= cot 6A cot 5A .