profile-img
Vijay Singh chauhan Asked a Question
February 24, 2021 10:16 ampts 30 pts
f cosa, cosß, cosy are the direction cosines of any line, then sinfa + sin-ß + siny =? (b) 3 (a) 4 (C) 2 (d) 1 O a O b O C Od 3. point The ines having drs as a,a2 + b1ba + Ca 0 are (a) coincident C) perpendicular (b) skew (d) parallel
  • 1 Answer(s)
  • 0 Likes
  • 1 Comments
  • Shares
  • Alka gupta Best Answer
    correct ans is C....see
    • cropped6267601683605739537.jpg
    Likes(0) Reply(0)
Head Office :
MPA 44, 2nd floor, Rangbari Main Road,
Mahaveer Nagar II, Kota (Raj.) – 324005

Corporate Office:
212, F-1, 2nd Floor, Evershine Tower,
Amrapali Marg,
Vaishali Nagar, Jaipur (Raj.) – 302021

Mail: info@eduncle.com
All Rights Reserved © Eduncle.com