Find dy/dx
Find dy/dx
aakanksha , 10 Years ago
Grade 12
Differential Calculus> Find dy/dx...
1 Answers
noogler
Last Activity: 10 Years ago
21)put x=coso
cos-1(5/13coso+12/13sino) let cosA=5/13,sinA=12/13
=cos-1(cosAcoso+sinAsino)
=cos-1(cos(A- o))=A-cos-1x
now derivate=1/(1-x2)1/2
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