f(x)=sin^4(wx)+cos^4ωx=(sin²wx)²+(cos²wx)²=(1-cos2wx)²/4+(1+cos2wx)²/4
=(1+1+2cos²2wx)/4=1/2+1/2cos²2wx=1/2+1/2(1+cos4wx)/2=3/4+1/4cos4wx
相邻对称轴之间的距离为π/2...
f(x)=sin^4(wx)+cos^4ωx=(sin²wx)²+(cos²wx)²=(1-cos2wx)²/4+(1+cos2wx)²/4
=(1+1+2cos²2wx)/4=1/2+1/2cos²2wx=1/2+1/2(1+cos4wx)/2=3/4+1/4cos4wx
相邻对称轴之间的距离为π/2...