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21 January, 11:48

In triangle PQR, we have angle Q = 90 depress and sin P = 1/4. Find sin R.

Answer is. 968 but how to I get there.

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  1. 21 January, 11:52
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    Angle R = 75 degrees because angle P = 40 and you have a 90 degree angle. 90+75+15=180. standard triangle. then, you just take sin r which is 75 sin, and you get 0.966
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