SOLUTION: In (triangle)PQR, m(angle)<Q= 90 degrees, PQ=1, and QR=3. The value of sec(angle)<R? Hey can someone help, dont get it...

Algebra ->  Trigonometry-basics -> SOLUTION: In (triangle)PQR, m(angle)<Q= 90 degrees, PQ=1, and QR=3. The value of sec(angle)<R? Hey can someone help, dont get it...      Log On


   



Question 181067: In (triangle)PQR, m(angle) Hey can someone help, dont get it...
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
In (triangle)PQR, m(angle) Hey can someone help, dont get it...
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It's a right triangle, so find PR using Pythagoras:
PR+=+sqrt%281%5E1+%2B+3%5E2%29
PR+=+sqrt%2810%29
Then, sec(R) = PR/QR
sec(R) = 1/cos(R)
sec%28R%29+=+sqrt%2810%29%2F3
=~ 1.0541