if u=(a2cos2x+b2cos2x)1/2then find minimum value of u2
V.LEKAJ SRI HARSHIT , 6 Years ago
Grade 12th pass
Trigonometry> if u=(a 2 cos 2 x+b 2 cos 2 x) 1/2 then f...
2 Answers
Aditya Gupta
Last Activity: 6 Years ago
u^2=cos^2x(a^2+b^2). now minimum value of cos^2x is zero so the minimum value of u^2 is zero as well and occurs when x=pi/2.
Saurabh Koranglekar
Last Activity: 6 Years ago
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