physics
Thanks
math
your school librarian has asked your class for some help on the purchase of some new bookcases with two shelves each. She has 300 new books she needs to shelve. One half of the books are half an inch thick. Ones third of them are one fourth of an inch thick, and the rest are t...
pre calculus
Cot 495 degrees... a) -tan 135 degrees b) -cot 135 degrees c) cot 135 degrees d) -cot 315 degrees
Pre-calculus
Thank you!
Pre-calculus
The length of the radius of a circle is 12 cm at the measure of a central angle, alpha, is 5pi/6. What is the length of the intercepted arc?
Math
Thank you for that! I forgot how to start it!
Math
The terminal side of an angle alpha (in standard position) contains the point (-3,-4). Find sec alpha.
Pre-calculus
What is the general expression in degrees for the measure of all angles coterminal with alpha when alpha=173 degrees?
Pre-calculus
Given that alpha=(14pi/3) what is the least positive angle coterminal with alpha?
algebra
dB=10log(I/I0) =10log(2.46∗10−1/10−12) =10log(2.46∗1011)=113.91dB−−−−−−−−−ans
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