KCET 2018 Math Solved Paper

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Question : 49 of 60

Marks: +1, -0

If cos y = x cos (a + y) with cos a ≠ ± 1, then

dy

dx

is equal to

sin‌a
cos2(a+y)
cos2(a+y)
sin‌a
cos‌a
sin2(a+y)
cos2(a+y)
cos‌a

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