Give the exact value of the trigonometric function. csc225°
A.
B.
C.
D.

Please explain your answer, I will give brainliest, thank you!

Step-by-step explanation:

we want to figure out the exact value of the following:

recall that,

we are given

substitute:

225° belongs to Q:III which we can clearly acquire from unit circle so,

By simplifying complex fraction we get:

notice that, what we acquired isn't in the option so multiply it by √2/√2

simplify multiplication:

simplify square:

reduce fraction:

hence,

our answer is C

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