Question
Sun June 24, 2012 By: Rhythm Mehta
 

cosx+sinx=1/2. then find the value of tan (x/2)?

Expert Reply
Sun June 24, 2012
expand the cos(x) and sin(x) using the identities for x/2
 
now using them in the equation we get:
dividing by cos2(x/2)
now solving the quadratic equation for tan(x/2), we get
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