Ask a New Question

Question

Find cosq and sinq if the terminal side of q lies along the line y = - 2 x in
quadrant IV.
Dec 9, 2008

Answers

take x = 1
then y = -2
hypotenuse = sqrt (1+4) = sqrt 5
then
sin q = -2/sqrt 5
cos q = 1/sqrt 5
Dec 9, 2008

Related Questions

complete the identity sinq / cosq + cosq / sinq = I'm not sure I'm coming up with... Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: c... 1. solve tan36 degrees- tan2degrees/ 1+tan36 degrees tan 2 degrees as a single function. 2. Find... In triangle PQR,angle p=90degree if PQ=√3 and QR=2,then find the value of sinQ ,cosQ,tanR,SINR
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use