Expand log(1+cos x ) by Maclaurin's series up to the term containing x^4 – Yawin
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Solution: Evaluate: lim┬(x→0) {(1-cosx)/x^2}
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![What is the derivative of sin(x)/[1-cos(x)]? | Socratic](https://useruploads.socratic.org/Zg1UQRGZTSmefZQldrBS_mat1.jpg "What is the derivative of sin(x)/[1-cos(x)]? | Socratic")
What is the derivative of sin(x)/[1-cos(x)]? | Socratic
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SOLVED: Formulas: 1. 13 sin x + cos x = 1 - cos(2x) - 2sin x = 2 - 1 + cos(2x) - 3cos x = 2. 2. 4 sin(2x) = 2sin
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37. integrate:[ 1 / cosx cos(x+a)] dx
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![Using the relation 2 ( 1 - cos x ) < x ^ { 2 } , x = 0 or prove that sin ( tan x ) geq x , forall epsilon [ 0 , pi /4]](https://search-static.byjusweb.com/question-images/toppr_ext/questions/1190846_1292127_ans_61ce2015111045c198fc4449a2d7da49.jpg "Using the relation 2 ( 1 - cos x ) < x ^ { 2 } , x = 0 or prove that sin ( tan x ) geq x , forall epsilon [ 0 , pi /4]")
Using the relation 2 ( 1 - cos x ) < x ^ { 2 } , x = 0 or prove that sin ( tan x ) geq x , forall epsilon [ 0 , pi /4]
