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Biểu thức sin²x + cos²x có giá trị bằng ?

Biểu thức sin²x + cos²x có giá trị bằng ?
asked 214k views
1 vote
Biểu thức sin²x + cos²x có giá trị bằng ?

asked
User Novarg
by
7.5k points

1 Answer

7 votes

we have sin²x + cos²x = 1

ok done. Thank to me :>

answered
User Moritz Ringler
by
8.6k points
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