if sina + cosa=√2 then evaluate cota+tana
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Step-by-step explanation:
sina + cosa =√2
squaring both sides
(sina+cosa)²=2
sin²a+2sina cosa +cos²a=2
1 + 2sinacosa =2
sinacosa =1/2
cota + tana = (cosa/sina) + (sina/cosa)
=(cos²a + sin²a)/sinacosa
=1/(1/2)
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