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Homework Help
Posted by gen on Thursday, November 11, 2010 at 8:01pm.
if y1=x^2+3x-1 and y2=x-5,
find: a. y1+y2
b. y1-y2
c. y1(y2)
• calculus - jai, Thursday, November 11, 2010 at 8:38pm
y1 = x^2 + 3x - 1
y2 = x - 5
for y1 - y2, combine similar terms,, for terms with same variables, add their numeri... | 4 | [
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-0... | |
supplementary exercise of trigo
June 28th 2013, 07:54 PM #1
Member
Joined
Apr 2013
From
Mahinog
Posts
78
Thanks
5
supplementary exercise of trigo
If A, B, C are the angles of a triangle, prove that cos^2A + cos^2B + cos^2 C = 1-2cosAcosBcosC
I've tried to use A+B+C=180, but I can't get the c... | 4 | [
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0.0196533203125,... | 6 | 6 | 58 | 0.530986 | class_10 | 8 | Introduction to Trigonometry | a1e3f271e7b0b7f22692dd0a6cae02fa994e743d56fc283c90117f161d761067 | ncert_books/class_10/jemh1dd/jemh108.pdf | [
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Homework Help
Posted by Destiny on Tuesday, October 21, 2008 at 11:08pm.
HELP!!!!!!!!!!!!!
write equation of a polynomial function with the given characteristics.
Leading coefficient is 1 or -1
crosses the x axis at -2,3, and 4
touches the x axis at 0
lies above the x axis between -2 and 0
• algebra - Reiny, T... | 4 | [
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Homework Help
Posted by Jim on Saturday, May 7, 2011 at 3:05pm.
how many 3-digit numbers can be formed using only the digits 1 to 7, if the number 2 must be included? (Repetitions are allowed)
The books says 127. Could someone please explain this? Thanks
• Math - Reiny, Saturday, May 7, 2011 at 3:29pm
Since r... | 4 | [
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-... | 34 | 34 | 2 | 0.433707 | class_6 | 3 | Number Play | b9b8ea817329c0ea38880d50680656d7e5f20ace6db8a6df8b25d95a20a7ff59 | ncert_books/class_6/Ganita_Prakash/fegp103.pdf | [
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Homework Help
Posted by bee on Monday, December 3, 2012 at 10:02pm.
when solving for all solutions how do I work out this problem: cos4(alpha)=cos2(alpha)
and when verifying each identity how do I complete this problem: sin (alpha/2)=sec alpha -1/2sin (alpha/2)sec alpha
• precal - Steve, Monday, December 3, 2012 a... | 4 | [
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... | |
Homework Help
Posted by Lucas on Tuesday, May 15, 2012 at 3:20am.
The sector shown is formed into a cone by joining its two radii. Calculate the volume of the cone correct to the nearest whole number.
It shows a diagram with a 240 degree sector or two-thirds of a circle with a radius of 12 cm.
How do I do this?
Tha... | 4 | [
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"Homework Help\nPosted by Lucas on Tuesday, May 15, 2012 at 3:20am.\n\nThe sector shown is formed in(...TRUNCATED) | 4 | [0.020751953125,0.0615234375,-0.015380859375,-0.0274658203125,-0.032958984375,-0.1015625,-0.05590820(...TRUNCATED) | 39 | 39 | 61 | 0.546845 | class_10 | 11 | Areas Related to Circles | 377ea8ce022842157626b945b213c77b940c0f805cf383bb4eda050b230c925a | ncert_books/class_10/jemh1dd/jemh111.pdf | [0.013132571242749691,-0.011117520742118359,-0.003144173650071025,0.023068854585289955,0.05169647186(...TRUNCATED) | |
"Homework Help\nPosted by anonymous on Sunday, May 2, 2010 at 5:20pm.\n\nI need help solving this pr(...TRUNCATED) | 4 | [-0.05615234375,0.04833984375,0.048828125,0.0634765625,-0.032470703125,0.0023040771484375,-0.0668945(...TRUNCATED) | 47 | 47 | 67 | 0.50785 | class_11 | 3 | Trigonometric Functions | d9afa3d81a36db5a74bdf80cfbc084439fd47d7f90c74454c6b04920223c9607 | ncert_books/class_11/kemh1dd/kemh103.pdf | [-0.0023778181057423353,-0.014447502791881561,-0.011959321796894073,0.00027966953348368406,0.0446267(...TRUNCATED) | |
"Homework Help\nPosted by anonymous on Sunday, May 2, 2010 at 5:20pm.\n\nI need help solving this pr(...TRUNCATED) | 4 | [-0.05615234375,0.04833984375,0.048828125,0.0634765625,-0.032470703125,0.0023040771484375,-0.0668945(...TRUNCATED) | 47 | 47 | 80 | 0.467036 | class_12 | 2 | Inverse Trigonometric Functions | 5be5ce34b20c434f2974e7cf8cb36d6fb8952c22d8cc2c34b4fc33ccb00b26f9 | ncert_books/class_12/lemh1dd/lemh102.pdf | [-0.0023778181057423353,-0.014447502791881561,-0.011959321796894073,0.00027966953348368406,0.0446267(...TRUNCATED) | |
"Algebra, Please Help!\nPosted by Nicole on Friday, April 20, 2012 at 11:44pm.\n\nDevin attempted to(...TRUNCATED) | 4 | [-0.09765625,0.026611328125,0.057373046875,-0.046875,-0.0145263671875,0.0126953125,-0.08837890625,0.(...TRUNCATED) | 50 | 50 | 69 | 0.460569 | class_11 | 5 | Linear Inequalities | 2e9b1cf3829f287eb6f4d62c0dd1583067ece28e7fc8895136be03a9af3c52e6 | ncert_books/class_11/kemh1dd/kemh105.pdf | [-0.0004698667908087373,-0.041366614401340485,-0.00777457607910037,-0.0008022115798667073,0.04547393(...TRUNCATED) |
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