Ask a New Question

Question

2-sin^20/cos0 = sec0 + cos0

* 0 = Theta
12 years ago

Answers

Reiny
ok, so it is

2 - sin^2 Ø/cosØ = secØ + cosØ ??

2 - sin^2 Ø/cosØ = 1/cosØ + cosØ
times cosØ
2cosØ - sin^2 Ø = 1 + cos^2 Ø
2cosØ = 1 + sin^2 Ø + cos^2 Ø
2cosØ = 1+1
cosØ = 1
Ø = 0 , 2π or x = 0° , 360° , for the first period

general solution
x = 2kπ, where k is an integer
12 years ago

Related Questions

Mulitple Choice Find cos0 if sin0=3/5 and 90 degrees<0<180 degrees. A.)4/5 B.)-4/5 C.)(Sq root... Find tan0 if cos0= -1/2 and 0 terminates in quadrant II when finding cos0=3squared/2 on a unit circle, what type of right triangle or ray is used? 30-60-... what is the value of cos0 if the terminal side of 0 and the unit circle intersect at point (1/2squar... given that the cos0=0, find the coordinates of the point where the terminal side of 0 intersects the... given that cos0 = √2/2 of a triangle on the unit circle what is the sine ratio of the same triangle? What is cos0° ? (1 point) cos0°= Cos0.8 to sin given that cos0=sqrt2/5 of a triangle on the unit circle what is the sine ratio of the same triangle... given that cos0=sqrt2/5 of a triangle on the unit circle what is the sine ratio of the same triangle...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use