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00:00 - 00:59 | hello Happy Birthday requesting given over here is find an acute angle theta then cos theta minus sin theta upon cos theta + sin theta = 1 -2 3.1 plus show that cos theta minus sin theta upon cos theta + sin theta is equal to 1 -2 3.1 + root 3 find so applying so we are going to get cos theta minus sin theta and this is also cos theta minus the talk will add the denominator |

01:00 - 01:59 | bottom and subtractor denominators processing and same here 3.3 + 1 + under root 3 and below and 1.2 years of cos theta upon 1 minus sin theta minus 1 + 2 upon root 2 x minus 2 is equal to cos theta upon sin theta is equal to 1 upon |

02:00 - 02:59 | under root 3 equal to 1 by root 3 tan theta is equal to 60 degree should I put the value of theta is equal to 60 degree from q and q |