Question

TRIGONOMETRY TRICKS...To learn all formulas


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Answer 1

sin teta=opp/hyp

costeta=adj/hyp

tanteta=opp/adj if you remeber these three formulas then it is just revese of it

Answer 2

Answer:

$sin \: (2n\pi \: 0) = cos \: 0$

$tan \: (2n\pi + 0) = tan \: 0$

$cos \: (2n\pi + 0) = cos \: 0$

$cot(2n\pi + 0) = cot \: 0$

$cosec \: (n\pi + 0) = cosec \: 0$

$sec (2n\pi + 0) = sec \: 0$