How do i simplify this ? tga+tgbctga+ctgb

3 Answers
Apr 5, 2018

Ignore this answer. Please delete @moderators.

Explanation:

Wrong answer. Sorry.

Apr 6, 2018

Incorrect Answer

Explanation:

Also the wrong answer, please disregard and delete

Apr 6, 2018

tana+tanbcota+cotb=tanatanb

Explanation:

tana+tanbcota+cotb

Note that cotx=1tanx, so

=tana+tanb1tana+1tanb.

Find a common denominator for the denominator!

=tana+tanbtana+tanbtanatanb

Invert and multiply.

=(tana+tanb)(tanatanbtana+tanb)

Cancel.

=tanatanb