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Tutors Answer Your Questions about Trigonometry-basics (FREE)
Question 93215: This is from a worksheet: Sorry my equation editor is not letting me copy and paste the signs... hope this is not too hard to read. Thanks in advance!!
If sin 60 degrees = sq rt 3/2 and cos 60 degrees = 1/2, what are the values of
tan 60 degrees =
sec 60 degrees =
cot 60 degrees =
Then If csc (acute angle)= 3 and sec (acute angle) = 3 sqrt 2 over 4; what are the values of
sin (acute angle) =
tan (acute angle) =
cos squared (acute angle) =
Click here to see answer by Nate(3495)   |
Question 93274: An airplane is flying 8,000 feet above the level ground. The angle of depression from the plane to the base of the tree is 16.4 degrees. How far horizontally must the plane fly to be directly above the tree?
Click here to see answer by stanbon(26291) |
Question 93502: State the degree of the following polynomial.
8x3 + 6x2y + 4xy3 - 2y4
a)1
b)2
c)3
d)4
e)5
Which of the following would be classified as a trinomial?
a)x2 + 2x
b)1 - x - x5
c)3xy
d)(xy)z
e)all of these
Simplify (4x3y3 - 2x2y2 + 4) - (-3x3y3 - 5x2y2 - 8)
a)7x3y3 + 3x2y2 + 12
b)x3y3 - 7x2y2 - 4
c)7x3y3 - 7x2y2 - 4
d)x3y3 + 3x2y2 + 12
e)none of these
If A=3x2-2x-7 and B=x2+9, then what is their sum, A+B?
a)5x2-2x+2
b)4x2-2x-2
c)4x2+2
d)4x2-2x+2
e)none of these
Multiply and simplify.
6x2(2x3 - 8x + 5)
a)12x5 - 48x3+30x2
b)8x5 - 14x3 + 11x2
c)12x6 - 48x2 + 30x
d)12x6 - 18x2
e)none of these
Click here to see answer by jayanthihemkos@yahoo.com(87) |
Question 93521This question is from textbook Finite mathematics
: An artist is painting a supply of small paintings to sell at an arts festival. He can paint three landscapes per hour and two seascapes. He can frame five paintings per hour. He has 50 hours available for painting and 25 hours for framing. How many of each type of painting should he paint and frame in order to maximize the total value of the paintings. He receives $25 each for the landscapes and $30 each for the seascapes.This question is from textbook Finite mathematics
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 93639: i dont exactly know what theis problem would be identified as, so i put it as test.
at a distance of 10.8 meters from a tree, the angle of elevation to the top of the tree is 26 degrees. how tall is the tree.
not from a textbook***
Click here to see answer by funmath(2873) |
Question 94003This question is from textbook 
: okay, i have found the:
mean:77
mode:71
median:77
range:49
1st quartile: 65
3rd quartile: 90.5
Can someone help me find what the variance is and what is the standard deviation of the scores?
This question is from textbook
Click here to see answer by Edwin McCravy(2922) |
Question 94061This question is from textbook
: can some one Indicate whether each of the following functions is odd or even by writing " odd" or "even" on the blank line.
(a) f(x)= sin x
(b) f(x)= cos x
(c) f(x)= 2 cot x
(a)___________
(b)___________
(c)___________This question is from textbook
Click here to see answer by Nate(3495) |
Question 94059This question is from textbook
: Please Find the exact value of the six trigonometric functions of 45 degrees.
sin 45 degrees ______________ csc 45 degrees ______________
cos 45 degrees ______________ sec 45 degrees ______________
tan 45 degrees ______________ cot 45 degrees ______________This question is from textbook
Click here to see answer by Nate(3495) |
Question 94055This question is from textbook
: Suppose there are 10 items on a true - false test. The person taking the test doesn't read the questions; he just answers each question radomly. What is the probablility of his guessing all answers correctly?This question is from textbook
Click here to see answer by checkley75(3666) |
Question 94058This question is from textbook
: If the laditude of Chicago is about 42 Degrees and the radius of the earth is about 4000 miles, how far is Chicago from the equator? (use pi = 3.1416) This question is from textbook
Click here to see answer by stanbon(26291) |
Question 94153This question is from textbook
: One card is drawn from a deck of 52. What is the probability that it is :
(a)a diamond (a)____________
(b)a king (b)____________
(c)an ace or king (c)____________This question is from textbook
Click here to see answer by checkley75(3666) |
Question 94177This question is from textbook
: If you were given a right triangle ABC with side b = 20, and angle A = 65degrees
can you solve the triangle
a = ____________
c = ____________
angle C = ____________
angle B = ____________
This question is from textbook
Click here to see answer by stanbon(26291) |
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