TeenOlaflover TeenOlaflover

20-12-2019
Mathematics

contestada

HELP HELP HELP 100PTS
sin(x)= - 0.8. If x and y are complementary, what is cos(y)

Respuesta :

surjithayer10otahza surjithayer10otahza

26-12-2019

Answer:

Step-by-step explanation:

[tex]sin (x)=-0.8\\x+y=90\\x=90-y\\sin(90-y)=-0.8\\cos (y)=-0.8\\sin (90-\alpha )=cos\alpha[/tex]

Answer Link

Imjustheretolearn22 Imjustheretolearn22

28-10-2021

Answer:

cos x

Step-by-step explanation:

Answer Link

Otras preguntas

1. x=1/(root3-root2). find rootx-(1/rootx) 2. if x=[root(a+2b)+root(a-2b)]/[root(a+2b)-root(a-2b]. show that bx^2-ax+b=0

if x= 1/2-√3 , prove that x³-2x²-7x+5=3

An athlete with a high count of red blood cells will perform well in tests of physical endurance because (a) waste products will be removed from the body easily

how did the londan underground railway become a huge sucess?explain?

One side of a triangle is 1 in. longer than the shortest side and is 1 in. shorter than the longest side. The perimeter is 17 in. Find the dimensions of the t

removing the dimensional prefix and express in scientific notation ( include unit)7.4nm6.78 x 10^8 MHz5.36 x 10^6 kV1500mACalculate the following numbers into s

which of the binomial below is a factor of this trinomial? 2x^3-18x^2+40xa) 2x+5b)x+5c)x-5d)2x-5

Classify the following words into formal and informal english. 1.Commerce 2.What's up 3.May be 4.Thanks 5.Patrons 6.Banquet 7.Grant 8.Do you fancy 9.Engage 10.S

A student investigated how the pressure in a diving pool varied with depth. He filled a balloon with helium and tied it to the end of a long pole. Then he subm

1. x=1/(root3-root2). find rootx-(1/rootx) 2. if x=[root(a+2b)+root(a-2b)]/[root(a+2b)-root(a-2b]. show that bx^2-ax+b=0

ACCESS MORE EDU ACCESS