Answer:
23/34
Step-by-step explanation:
This is guessing you only have fiction books.
The first trigonometric expression cot x and sin x in terms of the second expression is one over tan x and one over cosec x.
<h3>What is trigonometry?</h3>
Trigonometry deals with the relationship between the sides and angles of a right-angle triangle.
Write the first trigonometric expression in terms of the second expression.
The cotangent can be written as

And the sine can be written as

More about the trigonometry link is given below.
brainly.com/question/22698523
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Answer:
361/900
Step-by-step explanation:

$270 equals 135% of the original price
270/x=135/100
135*2=270
100*2=200
Final answer: $200