The acronym for trigs is SOH CAH TOA
Sine means opposite divided by hypotenuse
So, let us find sine.
The opposie side is 16
The hypotenuse is 17.46

Use your calculator
The answer is ≈ 0.9164
Answer:

Step-by-step explanation:
In Step # 3, We need to divide rather than to subtract. So, the first mistake is done in step 3.
Answer:

Step-by-step explanation:
The expression given can be rewritten as:
Because +(-n) is just -n. Then, combine like terms to get:

Substitute
for x to get:

Which can be rewritten as:

Which is:
.
as a mixed number
Hope this helps :)
Answer:
it's the ice.
Step-by-step explanation:
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