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 ( 23+ )
Otras preguntas
A plant whose ancestors include emmer and einkorn A) Wheat B) Rice C) Barley D) Corn
Which of the following statements concerning parenting is not accurate? Parents who are active outside the home have the most trouble dealing with empty nest. M
A, B, and C are consecutive odd integers such that A
what is the letter to the ancient egypt
8a + 16c. What is the value of the expression when a = –5 and c = –1? Enter your answer in the box.
3/11 of what number is 12
Area=16w^2-36 length=4w+6 what is the width of the rectangle?
Define if is earth’ rotation,earth’s revolution or tilt of earth on its axis Changes in the seasons are caused by changes in the amount of sunlight striking Ea
What is the volume of a rectangular prism with length 10 cm, width 5 cm, and height 3 cm?
[1] Across the world in early summer, as daylight turns to dusk, fireflies begin displaying their signature glow in search of a mate. [2] Fireflies typically ap
