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Abhishek Sharma

✔️ IIT-JEE (Advanced) Qualified | B.Sc, M.Sc (Mathematics) | Mentor of IIT-JEE | 7+ years of Teaching Experience | Mathematical Guruji on YT

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Manish Shah

2 years ago

plz do this for regular basis.. don't delay n thnx

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2 cos Sin 2 2.

Let f(x)= cos x 96 -h - lim Cos (xh)-Cosx in 2. 2 huus,

ieriva ve Let f(x)=tan lim tan (xt,)-tan X = LEm o Cos (x+h) Cosa Cos (xth) (oSx 2 2 Thus, oton US, dx

IV) Cos (xth)_ Cosx. 2. dlx

eri vateve Oc) Lim Cos (x Cos +2+4 sin - 2 2. 2 1 Thus

2. 2 2. 2

-Cr Cos