besania
besania
12-06-2016
Mathematics
contestada
Find CosB, TanB, SinB.
Respuesta :
caylus
caylus
12-06-2016
Hello,
Theorem of Al'Kashi says:
12²=13²+5²-2*13*5*cos b
==>cos b=5/13
sin b= √(1-(5/13)²)=12/13
tan b=(12/13)/(5/13)=12/5
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
Élise is asking Pierre about what he likes, but parts of his answers are missing! Re-record each answer so that it makes sense. (just fill in the blanks for me
How can media bias impact the way we view news topics like the movements like Black Lives Matter?
what sucess. explain
making judgments would you measure the height of a building in meters
anyone from California. please comment
what will be the focal lenght of a combined lens made by contact of two lenses of power +3D and -2D.
Replace ∗ with a monomial so that the derived equality will be an identity 1. ( * +3b)²=a²+6ab+9b²
1/9 as a decimal rounded to 2 decimal places
Can anyone help? Will give Brainly + 22 pts . Question : A woman has a total of 9,000 to invest. She invest parts of the money in an account that pays 8% per ye
How does energy change when it moves?? PLEASE ANSWER ASAP
