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Question Number 144086 by liberty last updated on 21/Jun/21
If sin t + cos  t = (2/3) then cosec t+sec t =?
Ifsint+cost=23thencosect+sect=?
Answered by bobhans last updated on 21/Jun/21
⇔ 1+2sin t cos t = (4/9)  ⇒ 2sin t cos t =−(5/9)  ⇒sin t cos t =−(5/(18))  ⇔ cosec t + sec t = ((2/3)/(−5/18))                                       = −(2/3). ((18)/5)                                       = −((12)/5)
1+2sintcost=492sintcost=59sintcost=518cosect+sect=2/35/18=23.185=125

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