How do you evaluate sine, cosine, tangent of $750^circ$ without using a calculator?

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Answer 1 · 2017-10-20T22:18:47

$sin (30)^0 = 1/2$

$cos 30^0 = sqrt3/2$

$tan 30^0 = 1/ sqrt3$

$750^0 = 360^0 + 360^0 + 30^0 = 30^0$

Now you can find the value of $30^0$ .

$sin (30)^0 = 1/2$

$cos 30^0 = sqrt3/2$

$tan 30^0 = 1/ sqrt3$

How do you evaluate sine, cosine, tangent of 750^circ750^circ without using a calculator?