(a) Differentiate \sec ^{-1} ( {1}/{\sqrt{1-x^2}}) w.r.t. ...

CBSE Class 12 Math 2023 Delhi Set 1 Solved Paper

Question : 27 of 38

Marks: +1, -0

(a) Differentiate sec−1(‌

√1−x2

) w.r.t. sin‌−1(2x√1−x2).
OR
(b) If y=tan‌x+ secx, then prove that ‌

d2y

dx2

=‌

cos‌x

(1−sin‌x)2

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