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what is the value of (cos(sinx)-cosx)/x4 as x tends to 0?

what is the value of (cos(sinx)-cosx)/x4 as x tends to  0?

Grade:Upto college level

2 Answers

Pushkar Aditya
71 Points
7 years ago
Apply trigonometry for little simplification using cosA-CosB And it justs forms 0/0 form so L`hospital rule for three times and ans. Will be [1/3]
shubham sharma
27 Points
7 years ago
Answer is 1/3 just apply trigonometry for little simplification CosA-CosB then it is of form(0/0) so L`hospital rule thrice .

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