If `cosP=1/7a n d\ cos Q=(13)/(14)w h e r e\ P\ a n d\ Q` both are acute angles. Then, the value of `P-Q` is `30^0` b. `60^0` c. `45^0` d. `75^0`

If cosP=1/7a n d\ cos Q=(13)/(14)w h e r e\ P\ a n d\ Q both are acute angles. Then, the value of P-Q is a. 30^0 b. 60^0 c. 45^0 d. 75^0

If cos P=(1)/(7) and cos Q=(13)/(14), whera P and Q both are acute angles.Then the value of P-Q is

If cosP=1/7 and cosQ=13/14 , where P and Q both are acute angles, then the value of P-Q is

If cos=(1)/(7) and cos Q=(13)/(14) where P and Q both are acute angles.Then,the value of P-Q is 30^(@) b.60^(@)c.45^(@)d.75^(0)

If cosP=1/7 and cosQ=13/14 , where P and Q both are acute angles. Then the value of P-Q is.................. A) 30^(@) B) 60^(@) C) 45^(@) D) 75^(@)

The acute angle between the planes 2x-y+z=6\ a n d\ x+y+2z=3 is 45^0\ b. 60^0 c. 30^0 d. 75^0

The acute angle between the planes 2x-y+z=6\ a n d\ x+y+2z=3 is 45^0\ b. 60^0 c. 30^0 d. 75^0

The angle between the lines 5x+3y-7=0\ a n d\ 15 x+9y+14=0 is 90^0 b. 60^0 c. 45^0 d. 30^0

The angle between the lines 5x+3y-7=0\ a n d\ 15 x+9y+14=0 is a. 0^0 b. 60^0 c. 45^0 d. 30^0