Number of results: 1,973

**plane and spherical trigonometry**

trigonometry in oblique triangles

*August 3, 2014 by keicer*

**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

*October 26, 2016 by A GOODSTUDENT*

**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?

*August 29, 2013 by Anonymous*

**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 ...

*May 3, 2009 by y912f*

**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.

*July 10, 2007 by hugh*

**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

*November 21, 2015 by Ara Jane*

**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 ...

*March 31, 2009 by Evelyn*

**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"

*February 20, 2011 by anon*

**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. ...

*March 30, 2016 by Becca*

**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...

*June 10, 2007 by Linda*

**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

*April 13, 2008 by 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 :)

*November 18, 2015 by khloe*

**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.

*November 3, 2014 by Bailey*

**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 ...

*March 7, 2011 by anon*

**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 ...

*October 16, 2011 by forest*

**trigonometry**

sinxcosx=0,x=?

*October 9, 2007 by raygene*

**Trigonometry**

What is the arcsin of (pi/2)?

*November 8, 2009 by Anonymous*

**trigonometry**

what is sin 35=x/6

*October 17, 2010 by aundrea*

**Trigonometry**

sin x= -1

*May 30, 2011 by Abigail*

**Trigonometry**

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

*June 4, 2011 by MIke A*

**Trigonometry**

expand ( 5d-1) 4

*June 4, 2011 by MIke A*

**Trigonometry**

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

*July 8, 2011 by Kali*

**Trigonometry**

Simplify i^45. A. 1 B. i C. –1 D. –i

*August 2, 2012 by Anonymous*

**Trigonometry**

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

*March 10, 2013 by John*

**Trigonometry**

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

*October 19, 2013 by Cait*

**Trigonometry**

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

*November 28, 2013 by David*

**math**

what does trigonometry mean?

*March 3, 2008 by shelbie*

**math**

what does trigonometry mean?

*March 3, 2008 by lizbet*

**Trigonometry**

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

*November 17, 2008 by Rob*

**Trigonometry**

What is the cosecant of the arccot of 3?

*November 9, 2009 by Anonymous*

**Trigonometry**

Factor 1-sin^3x

*February 17, 2010 by Sandra*

**Trigonometry**

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

*June 9, 2010 by bob*

**Trigonometry**

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

*September 16, 2010 by Pauline*

**Trigonometry**

What does SOHCAHTOA mean?

*September 27, 2010 by Michael Stewart*

**trigonometry**

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

*October 30, 2010 by tina*

**Advance algebra and trigonometry**

2x-y=-6 8x-4y=-24

*November 11, 2010 by Tj*

**Trigonometry**

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

*November 16, 2010 by Elizabeth*

**trigonometry**

solve: 2cosx-1=0

*December 15, 2010 by ash*

**trigonometry**

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

*January 12, 2011 by anon*

**Trigonometry**

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

*May 30, 2011 by Abigail*

**Trigonometry**

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

*December 11, 2011 by Blair*

**Trigonometry**

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

*July 27, 2012 by Cyndy*

**Trigonometry Help**

4 tan x - 12 cot x = 0

*November 18, 2012 by Anonymous*

**Trigonometry**

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

*December 1, 2012 by Josh G.*

**trigonometry**

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

*February 1, 2013 by Betty*

**trigonometry**

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

*February 2, 2013 by Betty*

**trigonometry**

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

*February 2, 2013 by Betty*

**trigonometry**

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

*February 2, 2013 by Betty*

**trigonometry**

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

*February 2, 2013 by Betty*

**trigonometry**

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

*February 18, 2013 by jessica*

**Trigonometry**

sin2u+_______x1

*June 8, 2013 by Anonymous*

**Trigonometry**

complex numbers

*December 8, 2013 by steve*

**Trigonometry**

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

*March 14, 2014 by Anonymous*

**Trigonometry**

solve: sec x-2^.5=0

*June 19, 2014 by Anonymous*

**Trigonometry**

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

*April 9, 2015 by Anonymous*

**Trigonometry**

Theta=632°

*July 23, 2015 by Ervin*

**trigonometry**

tan75/2 degree

*August 6, 2015 by lalit*

**trigonometry**

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

*October 8, 2015 by Anastasia*

**Trigonometry**

arctan(cot10Pi/9)

*November 27, 2016 by Liv*

**Trigonometry**

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

*June 4, 2007 by Linda*

**Algebra/Trigonometry**

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

*November 18, 2007 by Khadijah*

**trigonometry**

If sinA+tanA=p then sin2A?

*June 14, 2012 by sairam*

**Algebra II/Trigonometry**

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

*July 27, 2008 by David*

**Trigonometry**

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

*November 12, 2008 by Jen*

**Math/Trigonometry**

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

*December 11, 2008 by Anonymous*

**trigonometry**

how to find the missing angle??

*January 22, 2009 by kissa*

**trigonometry**

how to find the missing angle??

*January 22, 2009 by kissa*

**trigonometry**

What is the exact value for sin5pi / 12 ?

*November 8, 2009 by -*

**algebra 2 and trigonometry**

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

*January 18, 2011 by karla*

**algebra 2 and trigonometry**

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

*January 18, 2011 by karla*

**Trigonometry**

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

*February 16, 2011 by John*

**Trigonometry**

cos(54º-X)=sin2X

*April 7, 2011 by Michelle*

**Trigonometry**

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

*April 12, 2011 by Anonymous*

**Trigonometry**

solve: tan x/2= sqrt3/ 3

*May 30, 2011 by Randolph*

**Trigonometry**

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

*May 30, 2011 by Peter*

**Trigonometry**

Solve: 2 cos[x-ð/8]-sqrt2=0

*May 30, 2011 by Sammy*

**Trigonometry**

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

*May 30, 2011 by Peter*

**Trigonometry**

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

*May 30, 2011 by Adam*

**Trigonometry**

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

*May 30, 2011 by Adam*

**Trigonometry**

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

*May 30, 2011 by Sean*

**Trigonometry**

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

*May 30, 2011 by Sean*

**Trigonometry**

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

*June 29, 2011 by Pharez*

**Trigonometry**

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

*July 8, 2011 by Kali*

**trigonometry**

sin2 =2tan cos

*August 20, 2011 by soge*

**trigonometry**

sin2 =2tan cos

*August 20, 2011 by soge*

**trigonometry**

sin2 =2tan cos

*August 20, 2011 by soge*

**Trigonometry**

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

*November 16, 2011 by Zady*

**Trigonometry**

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

*December 11, 2011 by Blair*

**Trigonometry**

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

*February 7, 2012 by Joseph*

**Trigonometry**

solve Sinx=Cos2x-1 for 0¡Üx<2¦Ð

*March 21, 2012 by dfg*

**Trigonometry**

Find the supplement of 8pi/17.

*April 8, 2012 by Rina*

**trigonometry**

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

*May 17, 2012 by jenna*

**trigonometry**

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

*May 17, 2012 by jenna*

**Trigonometry**

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

*October 4, 2012 by John*

**trigonometry**

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

*November 6, 2012 by hnj*

**Trigonometry**

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

*February 3, 2013 by Betty*

**Trigonometry**

factor 3sintheta+2sintheta-1

*April 11, 2013 by Taylor B*

**Trigonometry**

What does a trigonometric value represent?

*August 21, 2013 by Anonymous*

**Trigonometry**

Sin x/7=-3square root/2

*November 4, 2013 by Jec*

**Trigonometry**

simplify: tanx/secx+1

*November 20, 2013 by Cam*