已知函数f(x)=2sin(2x-6/π),g(x)=f(-x)+a.(1)求函数f(x)的周期与单调递增区间(2):若函数f(x)在(0,π/2)上的最大值与最小值之和为5
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已知函数f(x)=2sin(2x-6/π),g(x)=f(-x)+a.(1)求函数f(x)的周期与单调递增区间(2):若函数f(x)在(0,π/2)上的最大值与最小值之和为5
已知函数f(x)=2sin(2x-6/π),g(x)=f(-x)+a.(1)求函数f(x)的周期与单调递增区间
(2):若函数f(x)在(0,π/2)上的最大值与最小值之和为5
已知函数f(x)=2sin(2x-6/π),g(x)=f(-x)+a.(1)求函数f(x)的周期与单调递增区间(2):若函数f(x)在(0,π/2)上的最大值与最小值之和为5
1增加的时间间隔
2kπ-π/ 2
1增加间隔
2kπ-π/ 2 <= 2X-π/ 3 <=2kkπ+π/ 2
kπ-π/12<= x <=Kπ+5π/12 />增加区间[kπ-π/12Kπ+5π/12]
减去范围
2kπ+π/ 2 <= 2X-π/ 3 <=2kkπ+3 π/ 2
Kπ+5π/12<= x <=Kπ+11π/12
增加的时间间隔[Kπ+5π/12Kπ...
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1增加间隔
2kπ-π/ 2 <= 2X-π/ 3 <=2kkπ+π/ 2
kπ-π/12<= x <=Kπ+5π/12 />增加区间[kπ-π/12Kπ+5π/12]
减去范围
2kπ+π/ 2 <= 2X-π/ 3 <=2kkπ+3 π/ 2
Kπ+5π/12<= x <=Kπ+11π/12
增加的时间间隔[Kπ+5π/12Kπ+11π/12]的k∈Z
a>
G(X)=? ((1/2)+π/ 6)+ cos2x
= A * 2sinx +1-2罪^ 2倍
= -2(氮化硅/ 2)^ 2 +1 + ^ 2/2
(1)/ 2> 1,即> 2
氮化硅= 1时,g(x)具有最大值,H(A)= 2a-1的
( 2)-1 <= a / 2的<= 1 -2 <= <= 2
氮化硅= a / 2的,克(x)的最大值,和h(α)= ^ 2 / 2 1
(3)/ 2 <-1即<-2
氮化硅= -1时,g(x)具有最大值,H(A)=-2α-1
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