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00:00 - 00:59 | Sunita to this question near the question in which Bihar cot inverse of 7 + cot inverse of 1 + cot inverse property equal to Cotton wool for free so we can start a given situation so given information cot inverse of 7 + cot inverse of 8 + cot inverse of ET equal to Cos inverse of 3 propose to fall we can convert all the spot in the form of 10 to 10 inverse and cotton was a reciprocal of each others we can write as 10 to 18 + tan inverse of 1580 equal to tan inverse of 1 so we can apply the formula of these two time so we will get tan inverse of a + tan inverse of B equal to |

01:00 - 01:59 | tan inverse of a ke plus be divided 51 - 82 be so now we can use this formula here so this is equal to tan inverse of + b divided by 1 minus A into B + tan inverse of 1 divided by 18 equal to that of 1 / sunao now we can take the LCM of the so this will be equal to so we can take a lesson to solve the solution of editor equal to Rs so we have a l only visit to this equal to inverse of 56 |

02:00 - 02:59 | 8 + 7 / 56 - 15 56 + tan inverse of 180 tan inverse of 5656 into 5655 + tan inverse of 1 / 1856 will be cancelled by 56 which is equal to tan inverse of 11 + tan inverse of 1 divided by 18 so now this is the formula of tan inverse of 1 + tan inverse of the now we can apply the corner of 10 in |

03:00 - 03:59 | which is equal to tan inverse of a + b divided by 1 minus A into B so this is equal to tan inverse of a plus be divided by 1 minus A into B so now we can use the formula of quick and to the rescue the LCM of 18 and 11 EP 198 2198 so here I will be 18 into 354 + 11 / 198 - 35 19898 will be cancelled by 19810 inverse of 55 55 divided by |

04:00 - 04:59 | 195 so if you multiply this by 5 by 3 Sohar geet 19510 verso 1 / 3 which is equal to the value of tan inverse 1 / which is equal to thank you |