Search
Ask a question
0

Help with Trig Equations

csc2(x/2)=2sec(x)

Please help me solve for x.

1 Answer by Expert Tutors

Tutors, sign in to answer this question.
Robert J. | Certified High School AP Calculus and Physics TeacherCertified High School AP Calculus and Ph...
4.6 4.6 (13 lesson ratings) (13)
1
Check Marked as Best Answer

Take reciprocals,

sin2(x/2) = cos(x)/2

=> 2sin2(x/2) = cos(x)

=> 1-cos(x) = cos(x)

=> cos(x) = 1/2

=> x = pi/3, 5pi/3 on [0, 2pi).