x -y= pi/4 , prove (1 + tan x)(1 + tan y)=2tanx
Answers
Answered by
0
Answer:
Step-by-step explanation:
BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST
Attachments:
Similar questions