Tan inverse of acosx/2 +bsinx/2 divided by bcosx/2+asinx/2
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Answer:
Step-by-step explanation:
y = tan^-1 [(a cos x - b sin x)/(b cos x + a sin x)]
Divide numerator & denominator by b cos x
y = tan^-1 [ (a/b - tan x)/ (1+ a/b tan x)]
Taking a/b as tan c we have
y = tan^-1 [ tan (c-x)]
y = c-x
So dy/dx = -1.
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