i have no ideaaaaa HAHAHAHA
Answer:
1-k^2
Step-by-step explanation:
tan A= sin A/cos A
(sin A)(cos A)(sin A/cos A)=(sin A)^2
(sin A) ^2 + (cos A) ^2= 1
(sin A) ^2=1-(cos A) ^2
(sin A)^2= 1 - k^2
Answer:

Step-by-step explanation:

Answer:
The answer is D
Step-by-step explanation:
D
Step-by-step explanation:
(-8-9)+23
-17+23
6.........