" Q30.Prove that: ":((sin7x+sin5)+(sin9x+sin3))/((cos7x+cos5)+(cos9x+cos3))=tan6x

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Prove that: ((sin7x+sin5x)+(sin9x+sin3x))/((cos7x+cos5x)+(cos9x+cos3x))=tan6x

Prove that ((sin7x+sin5x)+(sin9x+sin3x))/((cos7x+cos5x)+(cos9x+cos3x))=tan6x

Prove that: ((sin 7x + sin 5x) + (sin 9x + sin 3x))/((cos7x + cos5x) + (cos9x + cos 3x))=tan 6x

(( sin 7x + sin 5x)+(sin 9x + sin 3x))/((cos 7x + cos 5x)+(cos 9x+ cos 3x)) =tan 6x

Prove that (sin 7 x - sin 5x-sin3x +sin x)/(cos 7x-cos5x+cos3 x-cos x)=tan 2x

Prove that ((sin 7 x+sin 5 x)+(sin 9 x+sin 3 x))/((cos 7 x+cos 5 x)+(cos 9 x+cos 3 x))=tan 6 x

prove that ((sin 7x + sin 5x )+( sin 9x + sin 3x ))/( ( cos 7x + cos 5x )+ ( cos 9x + cos 3x )) = tan 6x

Prove that (sin 9x+sin7+sin 3x+sin 5x)/(cos 9x+ cos 7x+ cos 3x+cos 5x)=tan 6x .

((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x + cos 3x ))= tan 6x