vaehtheone vaehtheone
  • 01-09-2021
  • Mathematics
contestada

Angle 0 is in standard position. if sin(0) = -1/3, < 0 < 3/2 , find cos (0).

Angle 0 is in standard position if sin0 13 lt 0 lt 32 find cos 0 class=

Respuesta :

Eyadaqrabawi
Eyadaqrabawi Eyadaqrabawi
  • 01-09-2021

Answer:

-2 sqrt (2) /3

Step-by-step explanation:

sin = -1/3 its in the 3rd quadrant so sin is negative cos is negative

sin^2 O + cos ^2 O = 1

1 - (1/9) = cos^2 O

[tex] \cos( \alpha ) = \frac{ - 2 \sqrt{2} }{3} [/tex]

Answer Link

Otras preguntas

Which element atom will form a SMALLER radius when it becomes an ion? Cl S P Mg
if a magic wallet gives me 20 cents every 3 minutes how much money do I earn after an hour​
The flavoring is what seems to appeal to ______users and it’s what makes vaping seem _________
Tonya wrote the equation below which solves for x. x=150-6y Which equation is equivalent to Tonya's equation? A. x+150=6y B. x+6y+150 C.2x+3y=75 D.2x-3y=75 an
HELP PLEEES ASAP i am so lost show your work
Solve the following literal equation for r in terms of pi, h, and v. Equation: v=pir2h (pi r squared h)
Help Use the graph of ƒ to find where ƒ (x) < 0. Assume the entire function is graphed. A). (0, ∞) B). [0, ∞) C). (0, –∞) D). (–∞, 0)
PLEASE HELP WILL GIVE BRAINLY AND 5.0 RATING
The functions f and g are defined as follows.
can someone plz help me what do B-8=