I can`t solve it i tried 1000 times i think i need help so please solve it quickly

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Vikas TU · Answer

Sorry, But your question is blurred in the attachment. Plz write it on discusion forum by typing if u can do this.

Ajay · Answer

I solved similar problem for another user, refer to link below www.askiitians.com/forums/Trigonometry/if-cos-x-cos-2x-1-then-sin-12-x-3sin-10-x-3si_149885.htm

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I can`t solve it i tried 1000 times i think i need help so please solve it quickly

I can`t solve it i tried 1000 times i think i need help so please solve it quickly

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