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
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
The nurse is selecting teaching points on how the kidneys regulate body fluids and maintain electrolyte balance for a community outreach presentation to dialysi
The interest rate on South Korean government securities with one-year maturity is 4 percent, and the expected inflation rate for the coming year is 2 percent. T
what is concept of randomization in research methodology
what is the prime factorization of the number 12
A field is a rectangle with a perimeter of 1040 feet. The length is 300 feet more than the width. Find the width and the length of the rectangular field. What i
A rectangular field is 100 meters wide and 145 meters long. A coach asks players to run from one corner to the opposite corner diagonally across the field. How
A rectangular field with one side along a river is to be fenced. Suppose that no fence is needed along the river, the fence on the side opposite the river costs
what is the opposite meaning of tiny
what is the biggest state in the USA?
Seth invested $20,000 in Series EE savings bonds on April 1. By December 31, the published redemption value of the bonds had increased to $20,700. How much inte
