mrjevx78vw mrjevx78vw
  • 15-02-2021
  • Mathematics
contestada

If sec x = -3, and x lies in quadrant II, find tan
x/2

Respuesta :

cwrw238 cwrw238
  • 15-02-2021

Answer:

√2.

Step-by-step explanation:

sec ^2x = 1 + tan^2 x

(-3)^2 = 1 + tan^2x

tan^2 x = 8

tan x = +/- 2√2

tan x/2 =  tanx / sec x + 1

= -2√2 /  -3 + 1

= -2√2 / -2

= √2

We take the negative tan  because tan is negative in the second quadrant.

Answer Link

Otras preguntas

Please help me with this question :) thanks.
Why do procedural documents often include visual images
Which graph represents 2x-5y<15?
The problem of scarcity suppose that the hypothetical country of paddyland suffers from chronic scarcity of its staple grain, rice. true or false: paddyland is
Please help with this!!!!
Which inequality is equivalent to −≥13 - r ≥ 13 ?
Which is true about diversity in the cabinet, counting only Obama's first term: Question 60 options: A. George W. Bush had more minorities than Obama, but they
Which country fought on the side with the United States in World War I and against them in World War II? A) Britain B) France C) Italy D) Russia
what is the product of 7/16, 4/3, and 1/2
5/9m=15 please help me.....