1003076606 Level: BThe graph of the function g(x)=cosx is identical with the graph of the function:g(x)=cos(−x)g(x)=sin(−x)g(x)=−cosxg(x)=−sinx
1003076605 Level: BThe graph of the function f(x)=cos(−x) is identical with the graph of the function:g(x)=cosxg(x)=sinxg(x)=−cosxg(x)=−sinx
1003076604 Level: BThe graph of the function f(x)=−sin(−x) is identical with the graph of the function:g(x)=cos(x−π2)g(x)=−cos(x−π2)g(x)=cos(x+π2)g(x)=−sinx
1003076603 Level: BHow many points of intersection has the graph of the function f(x)=−2sin2x with the x-axis on the interval [−2π;2π]?981011
1003076602 Level: BHow many x-intercepts has the graph of the function f(x)=sin3x on the interval [−π;3π]?1310148
1003076601 Level: BHow many x-intercepts has the graph of the function f(x)=cos2x on the interval [−π;2π]?6453
1003076513 Level: BIf two of the values of sinα, cosα, tgα and cotgα are negative, then α belongs to the interval(π;3π2).(0;π2).(π2;π).(3π2;2π).
1003076512 Level: BThe value of sin(−53π6) is the same as the value ofsin7π6.sinπ6.sin5π6.sin(−11π6).