CBSE Class 11-science Answered
how to solve
![question image](http://images.topperlearning.com/topper/new-ate/top_mob158048295516134121669408a9ae-5cb1-4dd1-bddd-8a87f8abf778.jpg)
Asked by knb.hamsi | 31 Jan, 2020, 20:32: PM
To evaluate: ![limit as x rightwards arrow straight pi of fraction numerator 1 plus cos cubed x over denominator sin squared x end fraction](https://images.topperlearning.com/topper/tinymce/cache/57bbf14a537d4dbc41a0418edc59486f.png)
![limit as x rightwards arrow straight pi of fraction numerator 1 plus cos cubed x over denominator sin squared x end fraction](https://images.topperlearning.com/topper/tinymce/cache/57bbf14a537d4dbc41a0418edc59486f.png)
![limit as x rightwards arrow straight pi of fraction numerator 1 plus cos cubed x over denominator sin squared x end fraction
equals limit as x rightwards arrow straight pi of fraction numerator open parentheses 1 plus cos x close parentheses open parentheses 1 plus cos squared x minus cos x close parentheses over denominator 1 minus cos squared x end fraction
equals limit as x rightwards arrow straight pi of fraction numerator open parentheses 1 plus cos x close parentheses open parentheses 1 plus cos squared x minus cos x close parentheses over denominator open parentheses 1 minus cos x close parentheses open parentheses 1 plus cos x close parentheses end fraction
equals limit as x rightwards arrow straight pi of fraction numerator open parentheses 1 plus cos squared x minus cos x close parentheses over denominator open parentheses 1 minus cos x close parentheses end fraction
equals limit as x rightwards arrow straight pi of open parentheses 1 plus fraction numerator cos squared x over denominator 1 minus cos x end fraction close parentheses
equals 1 plus fraction numerator 1 over denominator 1 minus open parentheses negative 1 close parentheses end fraction equals 1 plus 1 half equals 3 over 2](https://images.topperlearning.com/topper/tinymce/cache/f40c5c7282905e8713c143cf9682b988.png)
Answered by Renu Varma | 03 Feb, 2020, 11:47: AM
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