please help me by answering this question
Attachments:
Answers
Answered by
1
Answer:
0=0 is the right answer
hope it will help you Mark me as brain list
Answered by
0
Step-by-step explanation:
9a=4a+5a
taking tan both side
tan9a=tan(4a+5a)
tan9a=(tan4a+tan5a)/1-ta4a.tan5a
tan9a(1-tan4a.tan5a)=tan4a+tan5a
tan9a-tan9a.tan4a.tan5a=tan4a+tan5a
tan9a-tan4a-tan5a=tan9a.tan4a.tan5a
Similar questions