SOLUTION: If we extablish an identity, sinAcscA-sin^2*A could equal which of the following quantities? 1. 1 2. cos^2*A 3. sin^2*A-1 4. tan^2*A

SOLUTION: If we extablish an identity, sinAcscA-sin^2A could equal which of the following quantities? 1. 1 2. cos^2A 3. sin^2A-1 4. tan^2A

Question 149408: If we extablish an identity, sinAcscA-sin^2*A could equal which of the following quantities?
1. 1
2. cos^2*A
3. sin^2*A-1
4. tan^2*A
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Solution:
= sinAcscA-sin^2A
= -(sin^2*A)
= 1-(sin^2*A)
= cos^2*A
Answer: #2
Thank you,
Jojo
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