tylerb0312
tylerb0312 tylerb0312
  • 01-01-2021
  • Mathematics
contestada

Given that cosA = -8/17  and sinA is negative, determine the value of tanA.​

Respuesta :

cwrw238 cwrw238
  • 01-01-2021

Answer:

tan A = -15/8.

Step-by-step explanation:

sin^2a = 1 - cos^2A

= 1 - (-8/17)^2

= 225/289

So sin A= 15/17

tan A = sin A / cos A

=  15/17 / -8/17

= 15/-8

= -15/8.

Answer Link

Otras preguntas

how many times does 45 go into 323
Which of the following is an example of a positive feedback loop? A) you feel hungry, so you eat a sandwich. After eating the sandwich, you are no longer hungr
is the underlined verb in the sentence a linking verb or an action verb? i bought some books at the yard sale yesterday. a. action verb b. linking verb
A fox can run at a speed of 42 miles per hour. How many feet per second is this?
how many calories is 130. joules?
which of the following can be trend lines on a graph? a. curved lines or strait b. only curved lines c. only strait lines
which expression is equivalent to the algebraic expression below? -4w(3x-5) A. -x-5 B. -x-9 C. -12x+20 D. -12x-5
the easy way to stop consistent constipation
why do non-metals look dull? a. they are not malleable. b. they are not ductile. c. they lack luster.
expression for the number of feet in 100 inches