(csc x-1)(csc x+1)=csc²x-1²=csc²x-1=(1/sin x)² -1=1/sin x² - sin²x/sin²x=
=(1-sin²x)/sin² x = cos² x/ sin² x = (cos x/sin x)²= (cot x)²
Answer:
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bît.ly/endbotvirusesonbrainly
Step-by-step explanation:
B is the only set of numbers that is ordered from least to greatest.
Hope it helps :)
Answer:
7000
Step-by-step explanation:
False -11 is furter on the number line then -1
