Answer:
-13
Step-by-step explanation:
For all <em>x</em>,
sin²(<em>x</em>) + cos²(<em>x</em>) = 1
so we have
(1 - cos²<em>A</em>) csc²<em>A</em> = sin²<em>A</em> csc²<em>A</em>
and since csc(<em>x</em>) = 1 / sin(<em>x</em>), so the expression reduces to 1.
Answer:
6
Step-by-step explanation:
Answer:
64, 8, 1, 9
Step-by-step explanation: