Bookiesbaby9963 Bookiesbaby9963

02-03-2018
Mathematics

contestada

If sec a = 5/4 and a is an angle in quadrant iv find the value of cos a

Respuesta :

calculista calculista

11-03-2018

we know that
sec a = 5/4
sec(a)=1/cos(a)
then
cos (a)=1/sec(a)
cos (a)=1/(5/4)=4/5---> is positive because the function cos is positive in IV quadrant

the answer is cos(a)=4/5

Answer Link

Otras preguntas

Find the point estimate for the true difference between the given population means. Round your answer to three decimal places. (HINT: The point estimate for th

Aqueous hydrochloric acid reacts with solid sodium hydroxide to produce aqueous sodium chloride and liquid water . If of sodium chloride is produced from the re

In the year 2500, five male space colonists and five female space colonists (all unrelated to each other) settle on an uninhabited Earthlike planet in the Andro

Franklin rolls a pair of six-sided fair dice with sides numbered 1 through 6. The probability that the sum of the numbers rolled is either even or a multiple of

If 0.214 mol of argon gas occupies a volume of 343.4 mL at a particular temperature and pressure, what volume would 0.375 mol of argon gas occupy under the same

a football player gained 2 yards on one play. on the next play, he gained 5 feet. was his gain greater on the first play or the second play explain

What was one of the goals of the US occupation of Japan after World War II? reduce the economy of Japan increase the military’s size and power change the govern

What is 60% of 48 ? PLS HELP MEEE!!!!!!!!!!!

If a producer expected the price of a product to go up ,why would they withhold some of the supply ?Plz Help Me l need ?

The sum of the 8th element and the 12th element of an arithmetic progression is 246. The sum of the 10th and the 14th element is 298. What is the value of the 3