Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


The branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.

tan (a+b)= tan (a) + tan (b)
                1- tan (a)tan (b)

tan (a-b)=tan (a) - tan (b)
              1+ tan (a)tan(b)
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts