The result of expanding the trigonometry expression 
is 
<h3>How to evaluate the expression?</h3>
The expression is given as:
Express 
as 
.
So, we have:
Open the bracket
Express 1 as cos°(Ф)
Hence, the result of expanding the trigonometry expression is
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You first do 3 + 2, which would equal 5. Then, you would just do 3/5.
-4/9 times -5/8 you can cross cancel the 4 and 8 so it makes the problem -1/9 times -5/2 which equals -5/18
This is one of those problems where you don't actually have to know anything. The only answer that is any combination of the two given numbers is the last one:
.. 8.4672*10¹³ miles
_____
That result is the product of 5.88*10¹² and 14.4.
