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andrezito [222]
3 years ago
6

Tìm tuần hoàn y = cos2x , y = sin2x

Mathematics
1 answer:
Mkey [24]3 years ago
6 0

Answer:

y = cos2x

y = sin2x

sin2x = cos2x

sin2x/cos2x = 1

tan2x = 1

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