prove that (n-1) squared +

Prove thatone over one squared plus one over two squared plus one over three squared....... plus one over 1000 squared is
1. 5 answers
2. asked by George
3. 598 views
Prove or disprove cos(x+y)cos(x-y)=cos squared (x) - Sin squared (x)I dstributed the cosines and attempted to cancel out terms
1. 3 answers
2. asked by Greg
3. 1,020 views
My Math work instructions is place the numbers from least to greatest.7 squared, 2, 8/2 squared = 2, seven squared, and 8/2
1. 1 answer
2. asked by Tamara
3. 731 views
My Math work instructions is place the numbers from least to greatest.7 squared, 2, 8/2 squared = 2, seven squared, and 8/2
1. 1 answer
2. asked by TAMARA
3. 770 views
(x squared +y squared +z squared) / 3 = (x/3+y/3+z/3) squaredProve that if LHS equals to RHS, then all x=y=z Thank you
1. 0 answers
2. asked by Jason
3. 569 views
Which is equivalent to (4 x y minus 3 z) squared, and what type of special product is it?16 x squared y squared + 9 z squared,
1. 1 answer
2. asked by ..
3. 172 views
How do i find the area of a triangle? For example:A squared + b squared= c squared 8.5 squared + 6.4 squared= c squared 72.25 +
1. 1 answer
2. asked by samantha
3. 897 views
provecos squared B- sin squared B= 2cos squared B -1
1. 2 answers
2. asked by Adam
3. 535 views
3(-5)squared -2/-5(2)/2 squaredI don't get the second part but... any number squared is positive so 3(-5) squared is 3x25 if
1. 0 answers
2. asked by Sam
3. 645 views
How to prove tan4x = 1-8 sin squared of cos squared of x
1. 1 answer
2. asked by John
3. 473 views