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 the easiest way to find the area of a trapezoids?

Why should writers include references to their research in an argument?

a Find the area of thetrapezium shown belowb Fin

After its main sequence existence, a medium-sized star, like our Sun, will become a A. protostar B. red dwarf C. white dwarf D. red giant E. red supergiant

Many cities have to deal with icy roads during the winter. To fix the problem, city workers pour salt onto the roads. Which rule about the physical world are th

Based on climate change an overview What are the effects of global climate change

Please Help I don't know and I tried multiple times though. Thanks.

What led to Kansas becoming a location of contentious slavery and anti-slavery battle?

How did women's rights differ in Greek and Persian civilizations during the classical era ?

Why should consumers look for products that have a warranty? A. It guarantees that they can return the product for any reason. B. It provides them with an incen