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 ( 13+ )
Otras preguntas
1. La W realiza una encuesta de faborabilidad sobre las reformas al sistema de salud y pensión. El 25% de las personas encuestadas, esta a favor de las reformas
One method of investment decision making that is appealing to managers is the accounting rate of return (ARR). This method measures the average profit over a pe
e investment decision rule for net present value calculations is to invest: A) in the project with the lowest NPV. B) in the project with the lowest discount ra
Find the variance of the data. 251, 224, 237, 255, 268 X = 247 Variance (0²) = [?]
Write an explicit formula for a The nth term of the sequence 35,44,53
According to the stem-and-leaf plot above, how many drivers travel below 80 miles hour per hour? A 2 B 14 C 6 D 5
"Payment to Vendors" is represented by what type of entry to what account? a. Debit to Accounts Payable b. Credit to Accounts Payable c. Debit to Prepaid Expens
The formula for the perimeter P of a rectangle with length / and width w is as follows. P=21+2w Suppose the length of the rectangle is 2 times the width. Rewrit
According to the stem-and-leaf plot above, how many drivers travel below 80 miles hour per hour? A 2 B 14 C 6 D 5
before taxes, the food for a party costs 386.54. of that cost, 64.83 is taxed at a rate of 8.65%. what is the total cost of the party after taxes?