Simplify expression cos^2(pi/2-x) / √1-sin^2(x) =
1 answer:
Answer:
Step-by-step explanation:
To simplify this expression you must use the following trigonometric identities
I
II
Remember that
Only if for all x
If f(x) is not greater than 0 for all x then
Now we have the expression:
then using the trigonometric identities I and II we have to:
is not greater or equal than 0 for all x. So.
Finally
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Step-by-step explanation: Do you want it solved step by step?
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