Home/Question #4151
JEE Main 2004Medium

Q.If cos⁡α+cos⁡β=4/5\cos \alpha + \cos \beta = 4/5 and sin⁡α+sin⁡β=3/5\sin \alpha + \sin \beta = 3/5, then sin⁡(α+β)\sin(\alpha + \beta) equals

a
7/5\sqrt{7}/5
b
3/53/5
c
4/54/5
d
11

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

Unlock Detailed Solution

Register for Free

Already a member? Login here