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

if u were a scientist examining the DNA sequence of the two unknown organisms that you hypothesize share a common ancestor, what evidence would you expect to fi

suggest why some manufacturers of car and jewellery would use metal alloys instead of pure metals?

What is the surface area of the cone to the nearest whole number? Use 3.14 for π. 2,198 m2 3,429 m2 2,813 m2 1,231 m2

Why are meetings and events a vital public relations tool even in the digital age of texting and social media??

Some supervisors are too autocratic. Autocratic is __

. What do we call the law that causes this settling down of the proportion

What was the Seattle General Strike of 1919? Question 3 options: It was a strike of all nonemergency workers in Seattle, called by the Industrial Workers of the

PLEASE HELPPPPPPP!!!!!! For accounting purposes, the value of assets (land, buildings, equipment) in a business are depreciated at a set rate per year. The va

Peters mobile phone bill is £29.43 exclusive of vat. if the vat rate is 20% how much vat must he pay?

how do you find the average of 10.4, 10.2,10