Question

please solve this question in copy(opt math)
prove that
tan20 °+ tan72 °+tan88 °=
tan20 °.tan72 °.°+tan88 °​

Answer 1

Step-by-step explanation:

First you take 20+72+88=180

2nd you take 20.72+88=108.72

3rd you take 180.00 and 108.72

And the last step is You subtract it

the answer is 71.28