How do you find the exact value of $tan(π/3) times sin(π/2) + cos(π)$ ?

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Answer 1 · 2016-07-01T06:51:54

$tan(pi/3)xxsin(pi/2)+cospi=sqrt3-1$

As $tan(pi/3)=sqrt3$ , $sin(pi/2)=1$ and $cospi=-1$

$tan(pi/3)xxsin(pi/2)+cospi$

= $sqrt3xx1+(-1)$

= $sqrt3-1$

How do you find the exact value of tan(π/3) times sin(π/2) + cos(π)tan(π/3) times sin(π/2) + cos(π)?