f(θ) |
g(θ) |
1 |
2 |
π |
2 |
x |
sinθ |
x |
sinθ |
asinθ |
1+sinθcosθ |
a2sin2θ |
(1+sinθcosθ)2 |
π |
2 |
f(θ) |
g(θ) |
(1+sinθcoθ)2 |
2sinθcosθ |
1 |
sin2θ |
sin2θ |
4 |
π |
2 |
1 |
t |
t |
4 |
1 |
4 |
t |
4 |
1 |
4 |
t |
4 |
9 |
4 |
π |
4 |
π |
4 |
f(θ) |
g(θ) |
9 |
4 |
A.y=x3 | B.y=x-1 | C.y=x2 | D.y=x-2 |
π |
6 |
1 |
2 |
A.y是x的增函数 |
B.y是x的减函数 |
C.y随x先增大后减小 |
D.无论x怎样变化,y是常数 |
|
3 |
2 |
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