alessacromano alessacromano

01-12-2017
Mathematics

contestada

tan80+tan70/1-tan80tan70

Respuesta :

chudung1976 chudung1976

01-12-2017

We have the formula tan(a+b)= (tana+tanb): (1-tana x tanb)
And now we have a=80, b=70 and
(tan80+tan70): (1-tan80 x tan70)= tan(80+70)= tan150
If you write 70 for 70°, we have tan150°=1/√3
Merry Christmas

Answer Link

Otras preguntas

Why has the need for printing photographs been so widely eliminated in today's society? Because pictures are most often shared online. Because taking pictures h

identify european groups that came into conflict with the africans and the reasons for the conflict

Find the distance between the points ( 5, -7 ) and ( 5, 6 ) .

What is the solution set of the equation (x – 2)(x – a) = 0?A –2 and aB –2 and –aC 2 and aD 2 and –aE 2 only

plzzz help meee giving 50 pointsssssssss

Do you think Harry, Ron, and Hermione are right about Snape? Why or why not?

What value of w makes this multiplication sentence true? 28 · (824 + 514) = 28 · 824 + 28 · ww =

rename 61/100 pls help me thxI

Isotopes are atoms of the same element that have different O principal chemical properties, masses. O numbers of protons, O numbers of electrons.

System.out.print(two.indexOf('r'));