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

what is m/9 - 1 = -2 whats the answer & steps
a mulberry silk worm can spit a single thread the measure up to 3,900 ft in length. write the number in scientific notation?
What's the square root of 98
what place value would i put 805 tens in
The GCF (Greatest Common Factor) of 45 and 75. Show your work too. Thanks for your help!
3312 divided by 48 long division
The GCF (Greatest Common Factor) of 45 and 75. Show your work too. Thanks for your help!
Why were Native Americans who practiced agriculture more likely than hunter-gatherers to establish permanent homes?
Analyze how scientific thhought changes as new information is collected
how do solve 21s=3 ?