sukhd503
sukhd503
02-07-2017
Mathematics
contestada
Cos 130 cos 40 + sin 130 sin 40
Respuesta :
Аноним
Аноним
02-07-2017
cos(a)cos(b) + sin(a)sin(b) = cos(a-b)
cos(130-40) = cos(90) = 0
Answer Link
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
what is the degrees of freedom for the t distribution? (round your answer down to the nearest integer.) (c) what is the p-value? (round your answer to four deci
what are the potential dangers of allowing societies and individuals to decide what is right and wrong? (100 words)
true or false: research confirms that social networking site users are more antisocial and reclusive than nonusers.
if you draw square abcd and extend the sides by equal lengths to form square efgh, what must be the measure of angle heb so that the area of abcd is half the ar
The following inequalities form a system. y is greater than or equal to two-thirds times x plus 1 y is less than negative one-fourth times x plus 2 Which ordere
bob and carlotta are welders working for two different divisions of the same company. both have the same level of experience. however, bob earns more than carlo
Which two words help find the meaning of the word antiquated in the passage? jared had been tinkering with the old-fashioned record player he found in the junk
patsy banz owns 200 shares of a stock. for the last calendar quarter, the company paid a dividend of $0.45 a share. what is the total amount she received in her
Un tren de juguete eléctrico viaja alrededor del árbol de Navidad en círculos. La vía del tren mide 6 pies de diámetro. ¿Cuál es la distancia que recorre el tre
for the periodic review inventory model presented in the textbook, it is assumed that a special replenishment order will be placed in the event of a stock-out b
