sin(x+π/4)怎么化简?X+π/6呢?π/8?

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sin(x+π/4)怎么化简?X+π/6呢?π/8?sin(x+π/4)怎么化简?X+π/6呢?π/8?sin(x+π/4)怎么化简?X+π/6呢?π/8?sin(x+π/4)=sinx×cos(π/

sin(x+π/4)怎么化简?X+π/6呢?π/8?
sin(x+π/4)怎么化简?
X+π/6呢?π/8?

sin(x+π/4)怎么化简?X+π/6呢?π/8?
sin(x+π/4)=sin x ×cos (π/4)+cos x ×sin(π/4)=√2/2(sin x+cos x)