kalharanuwan kalharanuwan

24-09-2019
Mathematics

contestada

prove that 1 + sin^2A + cos^A = 2

Respuesta :

ghanami ghanami

24-09-2019

Answer:

Step-by-step explanation:

1+sin²(a) +cos²(a) =2

note : for all a in R : sin²(a) +cos²(a) =1

so : 1+sin²(a) +cos²(a) = 1+1 =2

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