# Trig check my work please?

87,713 results, page 71

### accounting

Bubba Production Company produces a homogenous product. All materials are added at the beginning of production and other product costs are added evenly over time until the product is complete. Conversion costs were 70% complete with respect to the 2,000 units in process July 1...

### Language Arts

1. Which of the following sentences has correct subject-verb agreement? A. A scarf or a hat keep you warm in the winter. B. Either Grandma or your brother pick your birthday gifts each year. C. Stacey and her sisters go to the beach every summer.** D. A dog or a cat are a good...

### physics

At the end of the semester, you are loading your gear into a van to go home. In loading the van, you can either lift a 45.0-kg crate straight up(method 1) or push it up a 3.00-m-long ramp that is inclined at an angle above the horizontal (method 2).In both methods, the crate ...

### Algebra 2

Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13 5.An ace and a spade...

### art

How does this art convey a message of time being lost? ( there is clocks everywhere in sand ? A. clocks randomly placed on the ground B numbers missing from the bills C. broken hourglasses D. melting clocks My best answer is A can you please check @Ms.Sue

### Chemistiy

Check if im right please. a. oxidation occurs at my anode ____ ** Voltaic Cell b. You can use standard reduction potential table to calculate how much voltage it takes to operate me____ **Both voltaic cell and electrolytic cell

### English

which of the following is an example of a fragment? A) When Ted went to work, Bob went home. B) Although Ted went to work and Bob went home. C) Bob went to work although Ted went to work. D) Although Ted went to work, Bob went home. I Think the answer is B.

### Chemistry

balloon is filled with 1.35 atm dimethyl ether gas and 5.25 atm of oxygen gas at 27 C degrees. They react: C2H6O (g) + 3O2 (g) --> 2CO2 (g) + 3H2O(g) The system is allowed to cool back down to 27 degrees Celsius following the reaction. assuming external pressure is still ...

### Chemistry

24.5 ml of water are added to a 1.20 molar solution of nitric acid. If the concentration decreases to 0.55 molar, what volume of the concentrated solution was used? 1.20 M x mL = (24.5 mL + mL) x 0.55 M Solve for mL. Check my thinking. When you finish the calculation, check it...

### Physics

1.when a train pulls a wagon, is the work zero because wagon pulls on the train with equal opposite force(newton's third law)? 2.what is negative net work and when it is done an on object, does it reduce objects kinetic energy? 3.if the work done on an object is zero, does ...

### trig

the points (0,3), (1.8, -.365), (2, -.79) (4.5, -1.923) li on a line. Write the equation of the line in slope intercept form.

### trig

Verify the trigonometric identity: [(1–sin²x)/sin²x]–[(csc²x–1)/cos²x]= -tan²x I can't figure this out.

### trig

In a right triangle the side opposite the 30 degree angle is 5 meters.Find the adjacent side.

### algebra trig honors

x squared minus four thirds x plus four over nine

### Math/Trig

State the amplitude, period, phase shift, and vertical shift of f(x)=-1/4sin(6x+2pi)+9

### trig

80 feet from the base of a tower the angle of elevation to the top is 36 degree find the height of the tower

### trig

find the period and amplitude of each sine function.then sketch each function from 0 to 2pi: 1)y=-3.5 sin 5theta

### trig.

Find the degree measures of 2 angles, one positive and one negative that are co-terminal with 135.

### trig

if point P is a point on the terminal side of 0, and 0 is in standard position, find sin 0,cos 0 and tan 0. 1. P(-6,8) 2. P (1,3) 3. P (-2,-40), 4. P (-5, -12)

### trig

Use a graph of the cosecant function to find the value of theta for which csc theta equals 1.

### trig

Use trigonometric identities to find sec theta, given that tan theta = Radical 5/ 3.

### Trig

Using tables or a calculator, find tan 16 degrees 15 + cot 32.7 degrees to the nearest hundreths

### trig

the basic N of an antenna rests on horizontal ground. the angle of elevation of the top R from a pt H on the ground is 42 degrees

### trig

determine the phase shift of y = sin(3x - 2pi). indicate whether the shift is to the right or left.

### trig

How do i solve this equation over the interval [0degrees,360) cot(theta)+2csc(theta)=5

### Trig-Algebra help asap

A rhombus has sides of 5 cm and one diagonal is 6 cm long. Find the area of the rhombus.

### Trig-Algebra help asap

A regular octagon is inscribed in a circle with a radius of 5 cm. Find the area of the octagon.

### Algebra-Trig help asap

A rhombus has sides of 5 cm each and one diagonal is 6 cm long. Find the area of the rhombus.

### trig

a vector has a magnitude of 16 and direction of 120 degrees. write the vector in terms of unit vecotrs i and j.

### Algebra & Trig

at a throwing speed pf 12.2 meters per seconds,what is the angle that produce a distance of 13 meters

### math

Simplify sin 2 theta over 2 cos theta to a single primary trig function

### trig

Find the maximum and the minimum values of sinx + cosx and the smallest value of x which they have these values

### trig identities

Find the exact value of cos (2theta) given csc theta = 8/3 and 0 < theta < pi/2

### trig

what are the values of the angle in the interval 0<the angle<360 that satisfy the equation tan beta- radical 3=o

### Trig

Find the area of a sector with the given central angle θ in a circle of radius r. θ = 90°, r = 6 cm

### trig

The point (-3, 4) is on the terminal side of angle θ in standard position. Find cot θ.

### trig

Find all real numbers in the interval [0,2pi) that satisfy the equation. cos^2 x+2 cos x+1 = 0

### Trig

2 vectors at a Right angle to each other are pulling on a bolt. vector 1 = 650; vector 2 = 300 then R = ?

### Trig

Write a quadratic equation whose roots are 5 + i radical 2 and 5 – i radical 2 ____ x^2 + _____ x+ ______=0

### trig

I have arrived at .322 as the sine of the angle how do I find the actual angle (in decimal/deg)

### Pre-Calc/Trig...

Which of the following is the equation of a line parallel to the line y = 3x + 2, passing through the point (10,1)? 3x + y = 29 3x - y = 29 -3x - y = 29 3x + y = 29

### Trig

Determine the intervals of continuity of f(x)= ln(sin(x)) I looked at the graph and I have no idea how to state the intervals.

### Trig

Write an algebraic expression for the following: sin(arctan〖(x+1)/(x-1)〗 )

### trig

Find the magnitude and direction angle of the vector v. v = 4(cos 125°i + sin 125°j) ||v|| = θ =

### trig

Find the component form of v and sketch the specified vector operations geometrically, where u = 4i − j, and w = i + 5j. v = −u + w v = ( , )

### math

this problem seems with too many numbers that i don't know where to start. or even how.I have to answer the problem on top not the one that says number 27. The problem: Geometry. For the floor plans given in exercise 27, determine whether the side through the points (2,3) and...

### trig

If sin = 4/5 with A in QII, and sin B = -3/5 with B in QIV find cos(A-B)

### trig

Graph the following from X = 0 to x = 2 pi 2cos 6x cos4x + 2 sin 6x sin 4x

### trig

Prove the identity sin(3 pi /2 + x) + sin(3pi/2 -x) = -2cosx

### trig

If an angle is pie radians, what is the arc length in radians?

### trig

if a and b are acute angels and sin(a+b)=1,sin(a-b)=1/2 then prove that (1)tan(a+2b)=-(3)1/2

### trig

trying to find lowest term: cos^2 è-1/4 cos è -1

### trig

How do I solve this? If cos x= 3/5, find the exact value of cos 2x

### trig

csc(x)=3 and pi/2 less than (x) less than 3pi/2, find cot(x).

### trig

Prove: 1-sinx/1+sinx=sec*2x-2secxtanx+tan*2x

### trig

verify the identity: sin(x+y)-sin(x-y)=2cosx siny

### trig

HOW DO YOU SOLVE THIS PROBLEM, sin theta>0,cos theta>0

### Trig

Solve for 0<x<2pi ---> (2radical2)cos^2(x)-(radical2-2)cos(x)-1=0

### trig

if sin theta = 2/3 in quadrant 1, find sec theta. HELP!!!

### Trig

find (s+t) given that cos s=1/3 with s in quad I and sin T=-1/2 with t in quad IV

### trig

covert polar equation r = 6/(2-3sinè) to rectangular equation

### trig

Evaluate the expression cos 22 degrees and sec 22 degrees

### trig

If 2tanA+cot A=tan B, then prove that 2tan(B-A)=cot A

### trig

if cot 17 degrees = 3.2709, find tan 73 degrees

### trig

if x=4 tan theta, express cos(2 theta) as a function of x

### Trig

Eight Fundamental Identities Sec thada - Cos thada How do I do this?

### Trig

IfA=340°, prove that 2cosA/2 = -(v1+sinA) - (v1-sinA)

### trig

How to get 5degree without using calculator using identities?

### Trig

tan(θ) = a (a ≠ 0), find cot(θ).

### trig

Prove 1+cos X/1-cos X = (csc X + cot X)squared

### trig

sin(x) = 8/17 and 90 degrees < x < 180 degrees then find cos2(x)

### trig

verify the identity algebraically- (5-5 cos x)(5+5 cos x)=25 (sin^x)

### trig

verify that 2/1+cos theta - tan squared (theta/2) = 1

### trig

prove: (tan x + sec x)^2 = 2sec^2 x + 2tan x sec x - 1

### trig

prove: (tan x + sec x)^2 = 2sec^2 x + 2tan x sec x - 1

### trig

If sin A= 1/4 and sin B= -1/2, with A in QII and B in QIV, find tan(A+B)

### trig

evaluate the expression tan (257pi/4) a.-1 b. -(sqrt2)/2 c. 1 d. (sqrt2)/2

### trig

explain how you will find the coordinate of P(14pi/3) if you knew the coordinate of P(pi/3)

### TRIG

Verify cos x/1+sinx + 1+ sinx/cosx = 2sec

### trig

Solve tan2A - 2tanA = -1 for 0º≤A≤360º.

### precalc/trig

olve for the interval [0, 2pi]. cos(x+ pi/4)+cos(x- pi/4)=1

### trig

sec0+ten0-1/tan0+sec0+1=1+sin0/cos0

### Trig

Find the reference angle θ'. θ= -7pi/9

### trig

choose the expression that is equivalent to the given expression. 2 cos^2 4x-1

### trig

Write the standard form of the equation where p=π and o=7π/12

### trig

solve the equation on the interval [0, 2pi]: tan^2 x - 3 tan x + 2 = 0

### Pre-Calc/Trig...

if h(x)=(fog)(x) and h(x)=3√x+3 find g(x) if f(x)= 3√x+2

### physics

At the end of the semester, you are loading your gear into a van to go home. In loading the van, you can either lift a 45.0-kg crate straight up(method 1) or push it up a 3.00-m-long ramp that is inclined at an angle above the horizontal (method 2).In both methods, the crate ...

### Math - Algebra 2

A chemical compound evaporates in a predictable way. In the first hour 1/2 of the amoun in the jar at the beginning of the hour evaporates. In the second hour 1/3 of the amount in the jar at the beginning of the second hour evaporates. In the third hour 1/4 of the amount in ...

### PHYSICS

If it takes 4.12 J of work to stretch a Hooke's law spring 12.1 cm from its unstressed length, determine the extra work required to stretch it an additional 10.0 cm.

### science

For a machine with an efficiency of 80%, what is the work output of the machine if its work input is 2,000 joules? would i divide 2000/.80? which gives me 2500?

### math

Mr Ahmad starts work at 11.40 on Tuesday.He works for 12h45min.When does Mr Ahmad finish his work?Express your answer usering the 24-hour clock

### Physics (2)

If it takes 4.00 J of work to stretch a Hooke's Law spring 10.0 cm from its unstressed length, determine the extra work required to stretch it an additional 10.0 cm

### phyics

during a process, 21.6 MJ of heat is added to closed system. if the internal energy is increased by 59.6 MJ, how much work in Btu was done? is the work done on ro by the system?

### physics

during a process, 21.6 MJ of heat is added to closed system. if the internal energy is increased by 59.6 MJ, how much work in Btu was done? is the work done on ro by the system?

### Physics

If the gas in a container absorbs 203 J of heat, has 100 J of work done on it, then does 59 J of work, what is the increase in the internal energy of the gas? Answer in units of J

### Physics

A mechanical device requires 420 J of work to do 230 J of work in lifting a crate. What is the efficiency of the device? I keep getting 0.5% am I right?

### pre - CALCULUS

Find the reference angle for the given angle. Show your work. -404° my answer is 44 degree , But i don't know how to put my work together..

### Science-y Math-y Stuff

A machine with 80% efficiency does 4,000 J of work. Using the machine how much work did you do? NEED HELP! PLZ REPLY SOON