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

The first step in writing a mission statement is to determine the desired outcomes. False True

which European nation came to control Iroquois land during European exploration? A.England.

Why I/O modules is needed between system busand I/O devices?

what relation is there between population management and women population

We have studied machine cycle in class. Suppose that each of the four modules of machine cycle is taking 2 seconds. If there are four instructions to be execute

Which statement describes the solutions of this equation? I + 2 . 2 + = 1 OA. The equation has two valid solutions and no extraneous solutions, OB. The equation

These were basic fighting units of the Mongol military force. Question 47 options: Castiles Batus Khanates Tumens

define meropolition city

12) Why doesn't SSA prove two triangles are congruent? *

Which expression has a positive quotient? Negative three-fourths divided by Negative two-thirds Negative StartFraction 1 over 8 EndFraction divided by 3 and one