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## ehamer2990 if tanΦ=-1/3 find sinΦ and cosΦ 8 months ago 8 months ago

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1. itsmylife

|dw:1375486500757:dw| now you can find anything u like ;) always use this method

2. jdoe0001

$$\bf tan(\theta) = -\cfrac{1}{3} \implies \cfrac{opposite}{adjacent} \implies \cfrac{b}{a}\\ c^2 = a^2+b^2 \implies c = \sqrt{a^2+b^2}$$

3. jdoe0001

once you have all 3 guys, a, b and c you can find the others