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

use multiplacation and distributive property to find the quotient 84÷6

name the subunits that make up each of the macromolecules

you're a member of the republican party you go to vote for the party nominee for president. on your ballot are candidates for both the democratic and republican

a line passes through the origin and has a slope of 1/2. which of the following points does the line pass through? (0, ) (, 1) (1, 2) (2, 1) user: what is the s

What process produces the sediments that ultimately lead to soil formation? rainfall leaching topography weathering

Absolute Monarchy and Constitutional Monarchy cause and effects

if the interqartile range is 10 what does it represent

what are the parts of a chemical reaction

which one of the following laws could not be used to produce the combined gas law? a. boyle's law b. charles' law c. watson's law d. gay-lussac's law

what was an african american college