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

3 The stagnation stage of the life cycle of a resort is often characterized by the increasing cost of public services and the lowering of the ‘quality of life’
Pls help. !!!!!!!!!!!!!!!!!! (Give steps if you can)
Please help me answer this mathematics question
If a soup recipe yields 20 gallons, how many 5 fluid ounce portions will the recipe yield?
Work out the equation of line B. Give your answer in the form y = mx + c, where m and care integers or fractions in their simplest forms. ​
12. How many grams is of of 800 g? [tex] \frac{3}{8} [/tex]of 800 g ?​
find someone to review my essay
Hi. how can i Find the *number* of terms of a finite geometric sequence?​r= .75a= 40sum= 280
Work out the value of (2^3)^2
What is the probabily of the 90th percentile given mean of 262 and a standard deviation of 45