摘要:16.若函数的图象和的图象关于点对称.则的表达式是 .
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若函数y=f(x)的图象和y=sin(x+
)的图象关于点P(
,0)对称,则f(x)的表达式是( )
π |
4 |
π |
4 |
A、cos(x+
| ||
B、-cos(x-
| ||
C、-cos(x+
| ||
D、cos(x-
|
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π |
4 |
π |
4 |
A、cos(x+
| ||
B、-cos(x-
| ||
C、-cos(x+
| ||
D、cos(x-
|