Question

If cos theta = -12/13 & lies in 2 quadrant then find tan theta​

Answer 1

Answer: look below

Step-by-step explanation:

Hypotenuse  

2

 = 5  

2

+12  

2

 

Hypotenuse=13

tanθ=  

12

−5

​  

 

cosθ=  

13

−12

​  

 (θ lies in second quadrant)

sinθ=  

13

5

​  

 

1−sinθ

2cosθ

​  

=  

1−  

13

5

​  

 

2×  

13

−12

​  

 

​  

=  

13

8

​  

 

13

−24

​  

 

​  

=−3