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Question Number 13143 by tawa tawa last updated on 15/May/17

Find the point (x,y) which lies 8 unit from the origin,  along the terminal line  of 155°.

$$\mathrm{Find}\:\mathrm{the}\:\mathrm{point}\:\left(\mathrm{x},\mathrm{y}\right)\:\mathrm{which}\:\mathrm{lies}\:\mathrm{8}\:\mathrm{unit}\:\mathrm{from}\:\mathrm{the}\:\mathrm{origin},\:\:\mathrm{along}\:\mathrm{the}\:\mathrm{terminal}\:\mathrm{line} \\ $$$$\mathrm{of}\:\mathrm{155}°.\: \\ $$

Commented by RasheedSindhi last updated on 15/May/17

x^2 +y^2 =8^2  ∧ tan(155°)=(y/x)

$$\mathrm{x}^{\mathrm{2}} +\mathrm{y}^{\mathrm{2}} =\mathrm{8}^{\mathrm{2}} \:\wedge\:\mathrm{tan}\left(\mathrm{155}°\right)=\frac{\mathrm{y}}{\mathrm{x}} \\ $$

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