plz solve if u know...
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given 5tantheta-4=0
(5sin theta -4costheta)(5sintheta+4costheta)
multiply and divide by costheta
costheta(5sintheta/costheta -4costheta/costheta)(5sintheta+4costheta)
=costheta(5tantheta-4)(5sintheta+4costheta)
= 0 because 5tantheta-4=0
(5sin theta -4costheta)(5sintheta+4costheta)
multiply and divide by costheta
costheta(5sintheta/costheta -4costheta/costheta)(5sintheta+4costheta)
=costheta(5tantheta-4)(5sintheta+4costheta)
= 0 because 5tantheta-4=0
NeelamG:
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