How do you find the rectangular coordinate of $(7.5,110^circ)$ ?

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Answer 1 · 2016-11-03T16:02:39

$(-2.57,7.05)$

$(7.5,110^@)$

Use the formulas $x=rcos theta, y=rsin theta$

$x=7.5 cos 110^@~~-2.57$

$y=7.5 sin 110^@~~7.05$

$:.(-2.57,7.05)$

How do you find the rectangular coordinate of (7.5,110^circ)(7.5,110^circ)?