Addiecaminpo6
Addiecaminpo6
06-05-2017
Mathematics
contestada
result of tan 20º x tan 40º x tan 80º
Respuesta :
ghanami
ghanami
06-05-2017
hello :
look : 40 = 2×20 80 = 2×40
knowing tan 20º by calculator , for 40° , 80°use the identity :
tan (2x) = (2tan(x))/(1-tan²(x))
Answer Link
VER TODAS LAS RESPUESTAS ( 19+ )
Otras preguntas
Lisa is cooking muffins.The recipe calls for 7 cups of sugar. She has already put in 2 cups. Hpw many more cups does she need to put in?
In an experiment, the explanation of the expected outcome, based on research, is the _______________. dependent variable control hypothesis independent variable
At a school fair you have a choice of randomly picking a ball from Basket A or Basket B. Basket A has 5 green balls, 3 red balls, and 8 yellow balls. Basket B h
Which of the following represents a major difference between the belief systems of Judaism and Islam ? A. Islam considers Muhammad a prophet, but Judaism consid
What is the relationship between master, apprentice, and journeyman?
greatest common factor of: 12,90
A coral reef has 187 groups of fish in each group there are 21 fish about how many fish live in the coral reef?and is it multiplication or division
in general how did the colonists feel about parliament and its actions towards the colonies
HELP ASAP How did England finance its early exploration and colonization of America? by increasing its exports of manufactured goods through increased taxes pla
Doing a presentation on your favorite device is a good practice for evaluating technology for the workplace. True or False?
