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Grade 12Trigonometry

Prove that 2cos ^x=cos ^x+sin ^x;0

Profile image of Gourob Saha
7 Years agoGrade 12
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1 Answer

Profile image of Arun
7 Years ago
Dear student
 
Question is incomplete and incorrect.
 
Please check and repost this. You can also attach an image. I will be happy to help you.