if sinx=0.3, determine the value of sinx+sin(x+2(3.15159))+sin(x+4(3.14159)
if sinx=0.3, determine the value of sinx+sin(x+2(3.14159))+sin(x+4(3.14159))
\(sinx+sin (x+2\pi)+sin (x+4\pi)\)
\(= sin x+sinx+sinx\)
\(=3sinx\)
\(if \ sinx=0.3\ then\)
\({\color{blue}=3\times0.3 = 0.9}\) !
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