tan60°·sinx+cosx 化简

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tan60°·sinx+cosx 化简
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tan60°·sinx+cosx 化简
tan60°·sinx+cosx 化简

tan60°·sinx+cosx 化简
tan60°·sinx+cosx
=sin60ºsinx/cos60º+cosx
=(sin60ºsinx+cos60ºcosx)/cos60º
=2cos(x-60º)
tan60°·sinx+cosx
=√3sinx+cosx
=2(sinx*√3/2+cosx*1/2)
=2sin(x+π/6)

tan60=根号3
根号3sinx+cosx
=2(2分之根号3sinx+2分之1cosx )
=2(cos30sinx+sin30cosx)
=2sin(π/6+x)