Guest

If Sin alpha × sin bita - cos alpha × cos bita = 1 show that tan alpha+tan bita =0

If Sin alpha × sin bita - cos alpha × cos bita = 1 show that tan alpha+tan bita =0

Grade:10

1 Answers

Shailendra Kumar Sharma
188 Points
6 years ago
Sin alpha × sin bita - cos alpha × cos bita = 1=> - Cos( alpha+beta) =1=> Cos( alpha+ beta) =-1So Sin( alpha+ beta) =0And tan(( alpha+ beta) =0USE FORMULA for tan(a+b)This tanalpha + tanBETA =0

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free