Question

If tan a=tan25°+tan35°-√3, b=cot25°+cot35°+√3 then ab=

Answer 1

Answer:

-3

Step-by-step explanation:

by the formula of tan(a+b)= tana+tanb/1-tanatanb

cot(a+b)= cotacotb-1/cotacotb

by using the above formula we get ab =-3

Answer 2

Step-by-step explanation:

The value of ab is -3

hope this helps you