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Question : 77 of 160
Marks:
+1,
-0
Solution:
‌‌ Let ‌I=‌‌=‌| dx |
| 2(cos‌x⋅‌−‌sin‌x) |
‌=‌‌‌‌=‌‌ sec(x+‌)‌dx‌=‌‌ln‌| sec(x+‌)+tan(x+‌)|0π∕2+C‌=‌‌ln‌| sec(‌)+tan(‌)|−‌‌ln‌| sec‌+tan‌|‌=‌‌ln(2√3−3)
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