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Post New Question
All Questions
+0
230749 Questions
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396
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how do I use the inverse trig functions?
how do I use the inverse trig functions?
Melody
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Guest
Mar 25, 2015
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604
2
wdasdasdasdas jdfksfkjsdfkjsdfkjsdhfjksdhfjsdkfhsdkfhdskfhksjdfhkjsdfhdksjfhsdjkfhksdf
wdasdasdasdasdfcsdsadasds
read more ..
leonaofwales
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Guest
Mar 25, 2015
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874
1
Calculator gets negative squared wrong
... -5 ^ 2 = 25, not -25 !!!!
This calculator gets it wrong even if I do 5 * -1 = -5 ^ 2
CPhill
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Guest
Mar 25, 2015
+5
5455
8
+3693
For questions 1 – 5, decide whether the equation is a trigonometric identity. Explain your reasoning.
For questions 1 – 5, decide whether the equation is a trigonometric identity. Explain your reasoning.
cos2 x(1 + tan2 x) = 1 sec x tan x(1 – sin2 x) = sin x csc x(2sin x - √2) = 0 cos2(2x) – sin2(2x) = 0 sin2 θ csc2 θ = sin2 θ + cos2 θ
read more ..
CPhill
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BrittanyJ
Mar 25, 2015
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423
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how do you solve a problem with f(x)
how do you solve a problem with f(x)
Guest
Mar 25, 2015
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330
0
how to do confidence intervals?
how to do confidence intervals?
Guest
Mar 25, 2015
0
589
2
how do i do fractions on this calculator
how do i do fractions on this calculator
Melody
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Guest
Mar 25, 2015
0
1289
7
+4709
Another Brain Teaser!
It was Madan’s first day at school. The teacher suggested that it would be a good idea for each child to meet every other child in the class. The teacher said, “When you meet, please shake hands and introduce yourself by name.” If there were 7 children in
read more ..
Melody
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MathsGod1
Mar 25, 2015
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2633
1
The points plotted below are on the graph of a polynomial. Which of the following x-values is the best approximation of a root of the polyno
The points plotted below are on the graph of a polynomial. Which of the following x-values is the best approximation of a root of the polynomial? Check all that apply. A. x = -1.7 B. x = -1.1 C. x = 1 D. x = 2.4 E. x = 4.3 F. x = 6
CPhill
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Guest
Mar 25, 2015
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464
1
-5.11/24000
-5.11/24000
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Guest
Mar 25, 2015
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782
0
Assuming The luminosity of the average galaxy is 1010 times larger than the Sun. Assume the Sun represents the average star with 1 solar lum
Assuming The luminosity of the average galaxy is 1010 times larger than the Sun. Assume the Sun represents the average star with 1 solar luminosity and 1 solar mass. The Hubble Telescope tells us there are ~100 billion galaxies in the observable universe.
read more ..
physics
Guest
Mar 25, 2015
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576
0
sin 40 x tan 80= cos 42
sin 40 x tan 80= cos 42
Guest
Mar 25, 2015
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416
1
how do i find unknown sides with trig
how do i find unknown sides with trig
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Guest
Mar 25, 2015
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596
1
The price for a bottle of water with a coupon is $.59. The regular price without a coupon is $1.09. Laurie buys 6 bottles of water.
The price for a bottle of water with a coupon is $.59. The regular price without a coupon is $1.09. Laurie buys 6 bottles of water.
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Guest
Mar 25, 2015
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564
1
how u do mastermath
how u do mastermath
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Guest
Mar 25, 2015
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470
2
what is the probability you draw a marble out of a bag of 1000 tacks if there is only one marble?
what is the probability you draw a marble out of a bag of 1000 tacks if there is only one marble?
Melody
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Guest
Mar 25, 2015
0
1761
1
what is the geometric sequence for 32,48,72,108
what is the geometric sequence for 32,48,72,108
CPhill
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Guest
Mar 25, 2015
0
614
2
what is the area of a right traingle with the area of 19
what is the area of a right traingle with the area of 1
MathsGod1
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Guest
Mar 25, 2015
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612
2
whats 9+10
whats 9+10
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Guest
Mar 25, 2015
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421
0
sin 40x tan 80=cos42
sin40xtan80=cos42
Guest
Mar 25, 2015
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735
1
How do you find the ordered pair of the vertex of the parabola y=-3x^2-6x+4
How do you find the ordered pair of the vertex of the parabola y=-3x^2-6x+4
CPhill
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Guest
Mar 25, 2015
0
638
3
what is 1 + 1?
what is 1 + 1?
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Guest
Mar 25, 2015
0
1197
1
juan is thinking of an irrational number that is greater than 5 but less than 6. which number matches this description? a. square root of 28
juan is thinking of an irrational number that is greater than 5 but less than 6. which number matches this description? a. square root of 28 b. square root of 37 c. ^3 square root of 228 d. ^3 square root of 224
reinout-g
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Guest
Mar 25, 2015
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369
0
when F=H,E and R then how can R8=INdPU55y ????
when F=H,E and R then how can R8=INdPU55y ????
Guest
Mar 25, 2015
0
458
0
100^9/2*5-3+100
100^9/2*5-3+100
Guest
Mar 25, 2015
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