(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:4
Step-by-step explanation:
hoped this helped
No.
8 can be divided by 6 one more time. the correct answer should be 49 r2
Cubic inches
**************************************************
