Another IIT JEE question inspired!
f(x) = sin2x + sin2(x+pi/3) + cos x cos (x+pi/3)
find f(2)
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5 Answers
62could you show a couple of steps?
This was a 2 mark objective ;)
1sin^2x+((sinx/2)+(root3cosx/2))^2+cosx((cosx/2)-root3sinx/2))
==>sin^2x+(sin^2x)/4+(3cos^2x)/4+(cos^2x)/4
==>5/4(sin^2x+cos^2x)
=5/4