SOLUTION: Determine all solutions of the equation in radians. Find cos(x/2), given that sec x=4 and x terminates in 0<x<pi/2 I got sqr5/8 but how to get it to raidant

SOLUTION: Determine all solutions of the equation in radians. Find cos(x/2), given that sec x=4 and x terminates in 0<x<pi/2 I got sqr5/8 but how to get it to raidant

Algebra.Com

Question 923534: Determine all solutions of the equation in radians.
Find cos(x/2), given that sec x=4 and x terminates in 0 I got sqr5/8 but how to get it to raidant
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
cos(x/2) = 1/4 = .25
x/2 = 1.318
x = 2.636
RELATED QUESTIONS
Determine all solutions of the equation in radians. Find cos x/2 , given that cos x... (answered by ikleyn)

Determine all solutions of the equation in radians find cosx/2, given that sec x = 4 and (answered by lwsshak3)

determine all solutions of the equation in radians find cos (x/2), given that cos... (answered by lwsshak3)

find sin x/2 in radians, given that sinx =1/4 and x terminates in 0 less than x less than (answered by lwsshak3)

Please help me find the eXACT solutions of the given equation, in radians, that lie in... (answered by robertb)

Find all solutions of the equation in the interval [0, 2pi). -4 cos x =-sin^2(x)+4... (answered by josgarithmetic)

Solve the following, finding all solutions in radians in [0,2{{{pi}}})... (answered by lwsshak3)

Find all solutions of the equation in the interval [0, 2pi)... (answered by lwsshak3)

(1). Find all solutions for x (exact values in radians): {{{ 2sin(3x)cos(x) -sqrt(3)... (answered by lwsshak3)