alessacromano alessacromano
  • 01-12-2017
  • Mathematics
contestada

tan80+tan70/1-tan80tan70

Respuesta :

chudung1976
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

pls somebody i really need help.
Solve for x. -6x +1 = -11 Help please
Why did colonists feel the articles of confederation were necessary?
Why is bayanihan important in this time of pandemic?
the lengths of 2 sides of an isoscles triangle are 9cm and 20cm find the perimetre of the triangle
What are the three types of forests age and structure? ​
What 3 nutrients do we want to try to limit?
Match the following terms with the correct definition. Concentration camps Nuremberg Race Laws Mobile Units Ghettos Final solution 1. Special SS police units f
Sandra rode her bike 54 miles in one day. She rode 6 times the number of miles Caleb rode his bike. How many miles did Caleb ride his bike? Let b represent the
Who ever needs help with 29x56, the answer is 1,624