If sin theta cos theta are the roots of x square + qx + r is is equal to zero then find the value q2-p2
Answers
Answered by
0
Step-by-step explanation:
px2+qx+r=0
roots are sinθ and cosθ
sinθ+cosθ=p−q sinθ.cosθ=r/p
(sinθ+cosθ)2=p2q2
1+2(pr)=p2q2
pp+2r=p2q2
p(p+2r)=q2
p2−q2+2pr=0
p2−q2 = -2pr.
HOPE THIS HELPS YOU BRO.
Similar questions