Answer:
see explanation
Step-by-step explanation:
Using the trigonometric identities
• tanx = 
• sin²x + cos²x = 1 ⇒ sin²x = 1 - cos²x
Consider the left side

=
- 
= 1 - cos²x
= sin²x = right side ⇒ verified
Answer:
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Answer:
5/36
Step-by-step explanation:
It depends.
4 in total if you're looking for x and y for both equations.
I think it would be 64/100 because 64 percent is most likely out of 100 percent