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 ( 95+ )
Otras preguntas
please help!!!!!!!!!!
Ryan biked from home to school in 1/5 of an hour. His speed was 10 mph. How far apart are his school and his house?
Marta put 4.87 in her coin bank.Each day she added 1 quarter 1 nickel and 3 pennies how much was in her coin bank after 27 days?
Answer only 45.Easy.I will pick brianlist
which triangles are congruent? help!
¿Por qué es importante estudiar español? (5 points) Select one: a. Es importante que yo estudio español porque quiero aprender de otras culturas. Incorrect
PLEASE HELP!! 15 points! Use the figure to complete each statement. A. m<BED B. AE=1/2 _____ C. If AB=18, then EB=____ D. ____ is the midpoint of ___
Some cells contain large numbers of mitochondria while others have relatively few or none. this suggests that
In a molecule of calcium sulfide, calcium has two valence electron bonds, and a sulfur atom has six valence electrons. How many lone pairs of electrons are pres
What is the chemical formula, # of components, and the total number of atoms, for glucose and water?
