slynn21 slynn21

17-04-2018
Mathematics

contestada

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.

Respuesta :

Trilljeff Trilljeff

17-04-2018

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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