same1w
same1w
02-10-2019
Mathematics
contestada
prove that sec^4 (x)=1+2 tan^2 (x)+tan^4 (x)
Respuesta :
VoyBTW
VoyBTW
02-10-2019
Answer: sec^4(x)-tan^4(x) = 1+2 x tan^2(x)
Step-by-step explanation:
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