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2x2
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Pinki Pal 8 years, 2 months ago

Ram nath kovind
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Manika Tyagi 8 years, 2 months ago

Cos x

Aarush Mp 8 years, 2 months ago

Cosx
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Sarthak Garg 8 years, 2 months ago

1+cos2x=2cos^2x / 1-cos2x=2sin^2x / 2sinAcosB =sin(a+b)+sin(a-b) / 2cosAsinB=sin(a+b)-sin(a-b) / 2cosAcosB = cos(a+b)+cos(a-b) / 2sinAsinB=-[cos(a+b)-cos(a-b)] / cos2x=1-tan^2x/1+tan^2x
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D
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Vik Ram 8 years, 2 months ago

-2/3 [ (tan x)to the power 3/2 log | cos x | ] + c
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Manpreet Kaur 8 years, 2 months ago

too much easy...
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Sarthak Garg 8 years, 2 months ago

use quitent rule v d/dx u - u d/dx v//v^2

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