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

A race has 6 competitors. The winner gets a gold ribbon, the second-place finisher gets a blue ribbon, and the third-place finisher gets a red ribbon. In how ma

Given the potential energy diagram representing a reaction below, which numbered interval represents the heat of reaction?

How many deciliters are in 8.12 decaliters? deciliters

Seaside Bike Shop rents bikes for $10 plus $4 per hour. Jack paid $30 to rent a bike. Which equation, when solved for x, gives the number of hours he rented the

In the NBA, any shot made from 22 feet or more from the basket is worth 3 points. How many yards from the basket is that?

¿Por qué el texto de Mario Vargas Llosa se llama la verdad de las mentiras?

What occurs during cytokinesis

Summarize what the theme in biology show. WILL MARK BRAINLIEST!! DON’T COPY FROM OTHERS MAKE YOUR OWN!!

The phenomenon where rare traits are found in abundance in a new or recently isolated location is called

What did Lincoln believe was his primary duty as president? and... Where was the first battle of the Civil War fought?