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Discuss thr continuity redegine so as to remove the discontinuity Solve limit x tends to 0 1-cos3x/xtanx

Discuss thr continuity redegine so as to remove the discontinuity Solve limit x tends to 0 1-cos3x/xtanx

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2 Answers

Sandeep Bhamoo
443 Points
3 years ago
Apply D.L. HOPITAL`S TULE two times that is differentiate numerator and denominator two times you would get - {9•cos(3x)}÷{2sec²x + 2x•secx•tanx} put x=0, answer is 9/2. Please do approve my answer if correct
Gitanjali Rout
184 Points
2 years ago
apply l hospitals rule 2 times then you would get 9/2 on putting x is eQUAL TO 0
 
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