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trigonometry

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plane and spherical trigonometry
trigonometry in oblique triangles

MATHS 2
If x+y=45°, prove that {(cotx+1)(coty+1)}/{cotx×coty}=2 Please help me in this TRIGONOMETRY problem. From the topic - TRIGONOMETRY Ratios of compound angles

Grammar
Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any rules?

spanish
is this translated right? In the morning I wake up at 8:30 a.m. The first thing I do is brush my teeth and comb my hair. Then I eat breakfast. By 9:00 a.m., I start my schooling (home). The first thing I work on is trigonometry. Then I do English, Trigonometry, American ...

trigonometry
determine the trend of each linear function: 1. f(x)= 3x+5 I don't know what you call the "trend" or why you call this a trigonometry question. It is about algebra. The value of the function increases with x at a rate of three times the change in x.

Trigonometry
a 20ft. ladder is leaning against a wall so that the foot of the ladder is 9ft. from the buss of the wall what angle does the ladder make with the ground? what is the distance from the top of the ladder to the base of the house? based in trigonometry

High School Courses
How often do state colleges which are moderately competitive require trigonometry? Is trigonometry something like algebra that they expect you to have, or do they usually not care as long as you have the right number of math courses? Would it look better for me to take ...

trigonometry
okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"

Trigonometry
PLEASE HELP!! I really don't understand this...I just started learning about trigonometry and SOH CAH TOA and I think this probably has to do with that but I don't know how to apply it... Please explain this to me!!!! I need to know how to do it and not just the answer. ...

Trigonometry
The light on the Prince Shoal lighthouse is 25m above water level. From a position behind the light, the angle of the depression of the sailboat is 12 degrees. How far is the sailboat from the lighthouse, to the nearest metre? (I have no idea how the diagram would look - it ...

Trigonometry
Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then x log 3 = log 1.295 x...

Math (trigonometry)
Trigonometry identities are so hard... I need some help proving these identities: *Oh, and I'm only in grade 11, so the identities we use are quotient identity and Pythagorean identity. sinx/(sinx + cosx) = tanx/(1 + tanx) cos^2x - sin^2x = 2cos^2x - 1 Thanks! Lucy

trigonometry
y=−34 sin(10θ+10π)−14 I need to graph this trigonometry problem. I need the parent graph, period, vertical shift, phase shift, a separate graph showing the new mid line with the amplitude and a final product graph. thanks for any help :)

Trigonometry
A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.

Trigonometry
I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l 0.59 3pi/10 l 0.81 ...

Maths trigonometry
using basic trigonometry derive the following equations, which are used to convert cartesian to polar coordinates and vice versa. why is the cos(phi)in the x term? x = R cos (phi) sin (lamda) y = R sin (phi) they are used in orthogonal projection of a spherical surface to a ...

trigonometry
sinxcosx=0,x=?

Trigonometry
What is the arcsin of (pi/2)?

trigonometry
what is sin 35=x/6

Trigonometry
sin x= -1

Trigonometry
Find m < D if d=10, e=8 and m< E= 43

Trigonometry
expand ( 5d-1) 4

Trigonometry
v=2(ab+bc+ca), solve for a

Trigonometry
Simplify i^45. A. 1 B. i C. –1 D. –i

Trigonometry
If g(t) = 5t+1 and h(n) = 2(n - 7), what is the value of h(g(3))?

Trigonometry
n-1/n divided by 1+1/n

Trigonometry
if cot 2x = 5/12 with 0<=2x<=pi

math
what does trigonometry mean?

math
what does trigonometry mean?

Trigonometry
cos2x(2cosx+1)=0 x=?

Trigonometry
What is the cosecant of the arccot of 3?

Trigonometry
Factor 1-sin^3x

Trigonometry
sin (4x) = .5 what are the 4 solutions? How did you get them?

Trigonometry
Explain why {y||y| ¡Ü 1} is the same as [-1,1].

Trigonometry
What does SOHCAHTOA mean?

trigonometry
2 cos^2=1 [0, 2pi)

Advance algebra and trigonometry
2x-y=-6 8x-4y=-24

Trigonometry
How do you solve the equation -3x^2 + 3 = 0

trigonometry
solve: 2cosx-1=0

trigonometry
sinA= 3/5 and C=17 Finding a and b

Trigonometry
(1+ tan^2x)/(secx)

Trigonometry
tan^2(x)=-3/2sec(x)

Trigonometry
what is the frequency of y=tan(Pi/3 x)?

Trigonometry Help
4 tan x - 12 cot x = 0

Trigonometry
what is the trigonometric form of z=1+i?

trigonometry
What is the graph of y= 5sin1/2(x+pi)-1

trigonometry
what is the graph of y= cos2(x-pi)+2

trigonometry
what is the graph of y= tan(2x-pi)

trigonometry
what is the graph of y=sec(x+pi/2)

trigonometry
what is the graph of y= arccos(x-2)

trigonometry
what are the solution sets to x^5-2x^3+x=0 and how do you get them?

Trigonometry
sin2u+_______x1

Trigonometry
complex numbers

Trigonometry
How to simplify 4sin[pi/2 + x] ?

Trigonometry
solve: sec x-2^.5=0

Trigonometry
2sin^2(x )+38 cos(x) + 2.6=0

Trigonometry
Theta=632°

trigonometry
tan75/2 degree

trigonometry
long division x^2+3x+5/x+2

Trigonometry
arctan(cot10Pi/9)

Trigonometry
factor: 3n^2+14n-5. I'm stuck! (3n -1 )(n + 5)

Algebra/Trigonometry
Simplify the expression: 1/y - 1/y-3

trigonometry
If sinA+tanA=p then sin2A?

Algebra II/Trigonometry
Simplify this problem: (1/2m^4n^5)^2

Trigonometry
How do i find cos(2arctan(7/24)) Thanks.

Math/Trigonometry
Is there a formula for sin(x/3)?

trigonometry
how to find the missing angle??

trigonometry
how to find the missing angle??

trigonometry
What is the exact value for sin5pi / 12 ?

algebra 2 and trigonometry
What the solution of the equation: y^2-3y=9 ?

algebra 2 and trigonometry
What the solution of the equation: y^2-3y=9 ?

Trigonometry
what is the domain of h(x)=.002sec(3pi(x-.25))+27?

Trigonometry
cos(54º-X)=sin2X

Trigonometry
2cos(x)-3tan(x)=3sec(x)

Trigonometry
solve: tan x/2= sqrt3/ 3

Trigonometry
Use Heron's formula: a=46 b= 52 c= 67

Trigonometry
Solve: 2 cos[x-ð/8]-sqrt2=0

Trigonometry
Solve SSA: B= 12.1 degrees b= 16 a= 23.9

Trigonometry
Solvetriangle ABC: a= 12.2 c= 7.8 B= 63.5 degrees

Trigonometry
2cos[x-pi/8]-sqrt2=0 Pi=3.141592654

Trigonometry
Solve SSA: B=12.1 degrees b= 15 a= 23.9

Trigonometry
Solve SSA: A= 78 degrees a= 30 b= 61

Trigonometry
What is the upper and lower limit of F(x)=3x^2+6x^2-2x-2?

Trigonometry
log3(x^2)=2log3(4)-4log3(5)

trigonometry
sin2 =2tan cos

trigonometry
sin2 =2tan cos

trigonometry
sin2 =2tan cos

Trigonometry
How do you solve these equations algebraically? y=x^2+4x 2x-y=1 y=x^2+2x+3 x+y=1

Trigonometry
4+29sin=12cos^2 How do you determine this

Trigonometry
Solve for x,assuming x≠0:(-2/5)+(x+4/x)=1

Trigonometry
solve Sinx=Cos2x-1 for 0¡Üx<2¦Ð

Trigonometry
Find the supplement of 8pi/17.

trigonometry
given v=5i+3j and w=-4i+8j, find projwv

trigonometry
find the dot product of u=2i-7j and v=i+8j

Trigonometry
How do you solve for f(x) = -5sin(θ/3) ?

trigonometry
2cotx + 1 = -1 over [0,2pi)

Trigonometry
What is the period and asymptote in y= tan(2x-pi)

Trigonometry
factor 3sintheta+2sintheta-1

Trigonometry
What does a trigonometric value represent?

Trigonometry
Sin x/7=-3square root/2

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