f(x)=√3cos∧2ax－sinaxcosax怎么化简
=√3/2 (1+cos2ax)-1/2sin2ax
=√3/2cos2ax-1/2sin2ax +√3/2
=sin60°cos2ax-cos60°sin2ax+√3/2
=-sin(2ax-π/3)+√3/2
f(x)=√3cos∧2ax－sinaxcosax怎么化简
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