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(cos4A+cos3A+cos2A)/(sin4A+sin3A+sin2A)...

(cos4A+cos3A+cos2A)/(sin4A+sin3A+sin2A)

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(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: (cos2A+cos3A+cos4A)/(sin2A+sin3A+sin4A)= cot3A

Prove that: (cos2A+cos3A+cos4A)/(sin2A+sin3A+sin4A)= cot3A

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 .

Prove that: (cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x

(cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x

Prove that: (cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x

Prove that: (cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x