(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:
6-1/0-1=5/-1
Step-by-step explanation:
change in y over change in x gives you gradient.therefore the gradient is negative 5
Answer:
wat u need help with
were the question
Step-by-step explanation:
N an acute angle is 90 degrees or less and 90 + 90 is 180 and an obtuse angle is always more than 90 and always less than 180
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