(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:
x is 2
Step-by-step explanation:
you need to do 10-6 is 4 then 2x? is 4
Answer:
I believe it's B
Step-by-step explanation:
hope this helps!
