Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

18th sum plz

Asked by lovemaan5500 | 16 Dec, 2019, 09:34: PM
Expert Answer
If a and b are two units vectors inclined at an angle θ. 
Prove that cos θ/2 = 1/2 (|a| + |b|)
and tan θ/2 = (|a|+|b|)/(|a| + |b|)
 
 
NOTE: Please post one question at a time.
Answered by Sneha shidid | 17 Dec, 2019, 09:20: AM
CBSE 12-science - Maths
Asked by lovemaan5500 | 16 Dec, 2019, 09:34: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
×