For the parabola y2+6y−2x+5=0I:The vertex is (−2,−3)II:The directrix is y+3=0Which of the following is correct ?
For the parabola y2+6y−2x+5=0 (i) The vertex is (−2,−3) (ii) The directrix is y+3=0 which of the following is correct?
Observe the following statements
(i)In ΔABC,bcos2C2+c cos2B2=s
(ii)In ΔABC,cotA2=b+ca⇒B=900
Which of the following is correct?