The maximum value of cos^2 (pie/4-x)+(sinx- cosx)^2 is
The maximum value of cos^2 (pie/4-x)+(sinx- cosx)^2 is
Atul kumar , 8 Years ago
Grade 11
Trigonometry> The maximum value of cos^2 (pie/4-x)+(sin...
1 AnswersShailendra Kumar Sharma
maximum value of cos^2 (pie/4-x)+(sinx- cosx)^2 isCos2A= 2cos^2A - 1So Cos^2 (pie/4-x) = cos ( pi/2-2x( = sin2xHere cos^2 (pie/4-x)+(sinx- cosx)^2 =Sin2X+ sin^x+ cos^2x- 2sincosx=1+sin2x- Sin2X= 1
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