prove that 2sin2(x)+4cos(x+a)sina.sinx+cos2(x+a) is independant of x.
prove that 2sin2(x)+4cos(x+a)sina.sinx+cos2(x+a) is independant of x.
Nishtha Gahlot , 8 Years ago
Grade 12
Trigonometry> prove that 2sin 2 (x)+4cos(x+a)sina.sinx+...
1 Answers
Saurabh Koranglekar
Last Activity: 6 Years ago
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