# Trig check my work please?

87,713 results, page 34

### trig

cosxcscx-2cosx=cscx-2

### trig

cos(x+B)=cosxcosB-sinxsinB

### Trig

How do I solve this problem? tan (30° + x)

### equations trig

2cos^2x-3sinx=0

### equation trig

cosx-sinx<1/2

### Math (trig)

4cos(x)+5=6sec(x)

### HELPPPPPPP (TRIG)

4cos(x) 5=6sec(x)

### trig

Prove tanAsin2A=2sin^2a

### trig

What is the angle B? Given that A=46 degree b=4 c=8

### trig

cotxcot2x-cot2xcot3x-cot3xcotx=1

### trig

25q to the second power -81=0

### trig

What is the graph of y = 3 sin (3x + 180)?

### trig

if 8 tan Q=15 then sinA-cosA=?

### trig

cotx/secx-tanx

### Alg & Trig 2

find the sum of 1/2, 2/7x, and 5/x

### Alg & Trig 2

find the sum of 1/2, 2/7x, and 5/x

### trig

solving radical equations... help! 5+¡în+1= n+4

### trig

sinx+cosxcot=csc

### trig

how do you explain y=2 cos(1 half x)

### Trig

Are 120 and -240 coterminal?

### algebra/trig

solve: ln12x = 6

### Trig

What is the phase shift of y=6cos(6x+pi/2)?

### trig

Show that (90-45)=cos90 cos 45

### trig

What is the trigonometric notation for 3-3(sqrt3i)?

### trig

what is the cube root of (-64i)?

### Trig

What is the vertical asymptote of y=tan(x-pi/3)?

### Trig

What is the period of f(x)= 1/2 tan(3x+pi/2) and -2/3 cos(x/3-1/2)?

### trig

How would you go about finding x and y?? [x-8 2 2y] [9x-16 2 6] [ 2 -7x 7] = [ 2 -7 7] [-4 y-4 2] [-4 -1 2]

### trig

sec(90degrees -theta)

### trig

verifying a solution. 4cos^2 2x-2=0

### trig

find cos (x/2) when sint =12/13

### Trig

Find [4(cos115+isin115)]^6

### trig

If z=1+i, then the multiplicative inverse of z esqaire is:

### Trig

cos270degrees -5cos180degrees (0/1)-5(-1/1) 0-5(-1) does it equal -5 or +5?

### trig

how would i graph 3sec(x + (pi/2))

### trig

2x+5y+3=0 what is the value of sin theta

### trig

how do you factor completely.. 18x^2+3x-3?

### trig

Triangle PQR is congruent to P'Q'R. If PQ= x+y, P'Q'+10, Q'R'= 3x-y, and QR=14, then what is x and y?

### trig

Find value of tan75/2

### trig

CosA*Cos17=1 then determine A

### trig

How do you evaluate the expression cos3pi

### Trig - Thanks Damon and Lindsey

Thanks a bunch

### trig

prove that tan^2x+ sec^2x =1

### trig

express 4/5-ã13 plz

### trig

express 4/5-ã13 plz

### trig

what is the amplitude of y=2+cos(-1/2 theta)?

### trig

3x^2+16y^2=48 conic sections

### Trig

(x+3)^2/4^2 + (y-2)^2/5^2 The location of the Foci are at: a.(-3,-1) and (-3,-5) b. (-3,2) and (-3,5) c. (-3,-3) and (-3,7) d. (-3,1) and (-3,-5) I get (-3,2) and (-3,5) Am I correct?

### trig

Give the reciprocal of the following. 7/15

### trig

Find sec^2 x (4 tan^2 x-3)

### trig

sin2x=cos3x then sinx=?(if 0<x<pi/2)

### trig

If A=55 degrees 55 minutes and c=16, find a.

### trig

Tan(cos inverse 5x)

### trig

if cot(x-10)=tan(4x) what does x equal?

### Trig

If CSC X = 4 in the quadrant 1, what is COS X?

### Trig.

What is the trigonmetric fact for sin 3.14/8?

### trig

simplify cox^2x-cos^4x

### Trig

Factor 4cos^2x+4cosx-1=0

### TRIG

Factor 4cos^2x+4cosx-1=0

### Trig

Rewrite 7pi/5 in degrees.

### trig

2sec(3x-(pi/3)) Find the period.

### trig

find the math product of u and v u= (6,7) v= (-3,9)

### Trig

Find the eccentricity of the ellipse. x^2+7y^2=35

### trig

Find the amplitude of f(t)=1/3sin8t

### trig

what is the angle of A? C = 125 degrees, a = 18, and c = 42

### trig

find the period of f(x)=-2cot x/5

### trig

what is the magnitude and direction of the vector U= -2i - 3j

### trig

determine the period of y = tan 2x

### trig

what is sin x = 1, what is the value of csx

### trig

If tan y = -4/3 and y is in Q I'VE find cos 2y

### trig

If tan y = -4/3 and y is in Q I'VE find cos 2y

### Trig

15^(-x-3)=-17^(-3x) using a log base 10

### trig

simplify (1-sec^2(è)/(tan^2(è)

### trig

i need to know how to do evaerything because i am stupid

### TRIG

what is the explicit formula for the sequence 3,7,11,15

### trig

Find the dot product a*b. a= (5,-9), b=(4,-3)

### trig

tan200(cot10-tan10)

### trig

tan200(cot10-tan10)

### pre-calc/ trig

Sinx=0

### Trig

sqrt(100+(10cotx)^2)

### Trig laws help

mÚA=15.52, c=18ft, b=16ft, then a=? ft

### Pre-Calc/Trig...

what is In e^4.3 equivalent to? How?

### Pre-calc/trig

5=log3(x^2+18)

### trig

what is terminal point of 5pi/4?

### Trig

(Cos/1-sin)- tan

### Trig

(Cos/1-sin)- tan

### trigonometry (Trig Equation)

sin 3x=-1

### trig

Solve for sin4x=sin2x?

### Trig

find the angle between u=7i+2j and v=-4j

### trig

Reiny 2+1/3*tan(theta)=2 How do you get 0? Thanks for your help.

### Trig Identities

secx - sinxtanx

### Calc

A a conical container of radius 5ft and height 20ft is filled to a height of 18ft of a liquid weighing 50.6lb/ft^3. How much work will it take to pump the contents to the rim? How much work will it take to pump the liquid of a level of 2ft above the rim? So I got integral (50....

### Long and synthetic division

please check my answers and help me with the last one please, I cant get it to come out right. Divide using long division or synthetic division. 2.(x^2 + 13x + 40)/ (x + 5) I got x + 8 5. 3m^3+7m^2-16m+16/ m+4 i got 3m^2-5m+4 7.(21x^3 - 7)/(3x - 1)(this one I cant get the ...

### French

Can someone please check my work? Write the verbs in the passé compose. 1. (parler) Elle a parlé 2. (monter) J'ai monté 3. (finir) Nous avons fini 4. (chanter) Tu as chanté 5. (obéir) Vous avez obéi 6. (arriver) Elles ont arrivé 7. étudier) Il a étudié 8. (tomber) ...

### us history

which cash crops were the most successful in the international interdependence system? A) cotton, corn, squash, hemp b) indigo, cotton, rice, tobacco c) indigo, corn, potatoes, rum*** d) tobacco, corn, rice, pumpkins please help i think it is c please check thanks!:)

### Grammar (will you check the rest please)

Demonstrative Pronoun or Adjective? 1. Does anyone know how to bake this cake? ADJ 2. You can check that book out of the library tomorrow. ADJ 3. That singer is ainger is quite talented. ADJ 4. Those do not heat as well as some. PRO 5. Take these to the room down the hall. PRO...

### @Online Students

A student recently posted this. "quick backstory; i've been cheating on all of my work except portfolios this whole year cause i'm in online school. but i'm wanting to learn since there's gonna be ACT test in REAL so... please help me on how to do this!" Please heed his ...

### GLOBE/GEOGRAPHY HELP

If it is 6 am at 30 degrees W, what time is it at 120 degrees W? Please check this site. (Broken Link Removed)

### DrBob I answered the ??

I rote the qestion Amy... please check your question below. I answered Back again!!