Trig check my work please?
90,437 results, page 70

trig
Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm 
trig
Suggest a sine function that will "imitate" the cosine function by manipulating ONE of a,b,c or d. Thank you 
trig
Suggest a cosine function that will "imitate" the sine function by manipulating ONE of a,b,c or d. Thank you 
trig
Find the exact value of cot 45°, if the expression is undefined write undefined. 
trig
If A+B+C=^(^=180) prove that sinA + sinB  sinC = 4sinA/2 sinB/2 cosC/2 
Trig
triangle with side lengths 172m, 155m, and 155m. calculate the area. 
trig
DISCUSS THE POSSIBLE VALUES OF THETA IF THE RATIO IS COS THETA IS EQUAL TO 0 
trig
Verify the Identity: sec(x/2)=the square root of (2 tanx/(tanx sinx)) 
Trig
Solve the equation in the interval [0•,360•] Csc theta = 1+cot theta 
trig
explain the methid used to get the answers 45m*cos33=37.7m and 45m*sin33=24.5 
Trig
How do you convert rectangular equations into polar equations? If x4−y4=xy , then r2=atan(b); What is a? What is b? 
trig
i have to find a & c, b=2.489*10 to the nineth power and i have one degree 25 
trig
the question is: given sec x = 4, tan x < 0, find sin(2x), cos(2x)and tan (2x) 
Math/Trig
Solve: 2 cos2 x  3 cos x + 1 = 0 for 0 is less than or equal to x is less than 2pi. 
trig
prove the identity sec^2x times cot x minus cot x = tan x 
trig
if sina,cosa,tana are in geometric progression then prove that cot^6acot^2a=1 
trig
convert the point with polar coordinates (2,7pi/6) into rectangular coordinates. 
trig
Verify the equation is an identitiy: cot(x)tan(x+pi)  sin(pix)cos((pi/2)x) = cos^2x Thanks 
trig
The tangent of an acute angle equals 1/2. What is the sine of the angle? (A) 1/p3 (B)p5/2 (C) 2/p5 (D) 1/p5 ( E) None of the above. 
trig
5. If the angles X and Y each measure between 0° and 90°, and if sinX = cosY, what is the sum of the measures of the angles X and Y? 
trig
How do I solve.... Tan 2(theta)  Cos 4(theta) = 0 Domain: (0360 degrees) Thank you. 
Math/Trig
Which logarithmic equation is equivalent to L^m = E 1) LogL E = m 2) logE L = m 3) logm E= L 4) logE m= L 
trig
solve the equation of the domain 0¡Ü¦È¡Ü2¦Ð 3cos^2theta  5costheta 1 = 3sin^2theta 
trig
given cotA square root of 5, find cotB at the 4th quadrant. 
TRIG
Given that tanx = 1/sqr(15) and secx 4/sqr(15) find the value of sinx 
trig
if tan x= 4/3 and pip < x < 3pi/2, and cot y= 5/12 with 3pi/2 < y < 2pi find sin(xy) 
Precalculus with Trig
Rewrite the following expression as an algebraic expression in x: cos(arcsin(x)) 
math trig
a triangle abc has a mearsure of an adjacent 15 and 25 degree solve for the triangle 
PreCalc/Trig...
Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=x^2+7 
PreCalc/Trig...
Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=(x+5)^2 
PreCalc/Trig
How would I solve this one? I just can't get this one. 6x^2+11x35=0 
trig
solve triangle ABC which have angleA=25.25,angleB=60.51 and a=3.82..find c...,find b 
trig
A road has a 10% grade (slope). To the nearest degree what is the angle of elevation of the road? 
Trig
Find the algebraic expression that is equal to sec theta  cos (theta) 
Trig
Find sin(x+y), cos(xy), tan(x+y), and the quadrant of (x+y) if sinx= 1/4, cosy= 4/5, with x and y in quadrant 3. 
Math (Trig) lowering powers
If cos^4(3x)sin^4(3x)=cos(g(x)) then g(x)=? Use a^4b^4=(a^2b^2)(a^2+b^2)! thanks in advance for any help! 
trig
if sec theta =sqrt 20/3 state the exact value of tan theta 
physics
Please check my work here: Resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. The circuit voltage is 180 volts. Find: a)the voltage of the parallel circuit b)the voltage across the parallel circuit c)the current through the 10... 
Chemistry
three separate questions 1. An empty graduated cylinder weighs 82.450 g. When filled to 50.0 mL, with an unknown liquid it weighs 110.810 g. What is the density of the unknown liquid? 2. It is valuable to know that 1 milliliter (mL) equals 1 cubic centimeter (cm^3) or cc.). ... 
Philosophy
Can someone please check my answers if it is right. Thank you! True/False 1. Rosenstand argues that moral subjectivism is an intuitively sound, "live and let live" kind of moral position that is both appealing and socially cohesive. FALSE 2. For the members of the Flat Earth ... 
college alg
for the given functions f and g find the following and state the domain of each result f(x)=3x+1/8x9; g(x)=5x/8x9 (they look like fractions) A) (f+g)(x)=? B)domain of (f+g) c) (f/g)(x)=? d) domain of f/g? please show work 
English
Please check my answer thanks :) In which sentence could you best use a semicolon? 1. If you ask me Jerry is a tennis whiz. 2. Lucy bought a new tennis racket and brought it home. 3. Sue loves tennis she plays everyday 4. When she is worried Mary eats a lot. I picked #3 
PreAlgebra
Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72  1 = 30%? Thanks. 30% is my final answer, ... 
Social studies
Arrange the following legislation that was passed after the Civil War in the proper chronological order: I. Reconstruction Act. II. WadeDavis Bill. III. Fifteenth Amendment. IV. Compromise of 1877. A. I.,II., II., IV. B. I., II., IV., III. C. II., I., II., IV. D. III., IV., ... 
GIVE ME A JOB
WHY CAN`T KIDS WORK? Here is something that may be interesting to you and provide some answers to your question. (Broken Link Removed) Because if they were alowed to work they would be exploited like they used to be. 
statistics
a recent poll of 700 peole who work indoors found that 278 of the smoke. If the researchers want to be 98% confident of thier results to within 3.5% how large a sample is necessary? how do i work this problem? 
Business Management
Which of the following is not a factor that affects how work is organized? A. Mangement style B. Customer influences C. Company size D. Competitor work styles I ruled out C. & D., but need help with the others. 
identifying a gas (check partial work)
A cylinder was found in a storeroom of a manufacturing company. The cylinder was so old that the label had fallen off, and no one remembered what the cylinder held. A 5 mg sample was found to occupy 4.13 mL at 23 Celsius and 745 torr. The sample was also found to be composed ... 
social studies(check answers)
please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the oneparty system. B.It consolidated power among a few key leaders. C.It ended ... 
Physics
Consider an inefficient engine which draws 200 J of heat from a hot reservoir at 100oC, converts 48 J to work, and rejects 152 J to a cold reservoir at 0oC. Theoretically, how much maximum work can be produced if the efficiency of the engine is maximized? How much work was “... 
Physics
Consider an inefficient engine which draws 200 J of heat from a hot reservoir at 100oC, converts 48 J to work, and rejects 152 J to a cold reservoir at 0oC. Theoretically, how much maximum work can be produced if the efficiency of the engine is maximized? How much work was “... 
Physics
Consider an inefficient engine which draws 200 J of heat from a hot reservoir at 100oC, converts 48 J to work, and rejects 152 J to a cold reservoir at 0oC. Theoretically, how much maximum work can be produced if the efficiency of the engine is maximized? How much work was “... 
Physics
Consider an inefficient engine which draws 200 J of heat from a hot reservoir at 100oC, converts 48 J to work, and rejects 152 J to a cold reservoir at 0oC. Theoretically, how much maximum work can be produced if the efficiency of the engine is maximized? How much work was “... 
Physics
Consider an inefficient engine which draws 200 J of heat from a hot reservoir at 100oC, converts 48 J to work, and rejects 152 J to a cold reservoir at 0oC. Theoretically, how much maximum work can be produced if the efficiency of the engine is maximized? How much work was “... 
chemistry/check my work I have to submit today
When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ... 
Physics
A 285kg load is lifted 22.0 m vertically with an acceleration a=0.170 g by a single cable. Determine the tension in the cable. (N) Determine the net work done on the load. (J) Determine the work done by the cable on the load. Determine the work done by gravity on the load. ... 
history
Please check my work: 1.Diplomatic immunity is based on what assumption a.diplomats will become active members of their new communities b.diplomats will obey the laws of their country of residence c.diplomats have no restrictions on behavior d.Diplomats will be isolated in the... 
home work help please
Complete the Multiple Pathways to Learning assessment and the Personality Spectrum assessment. Relate results to your personal study habits. Prepare a 350 to 700word paper where you answer the following questions: · How may you use the study techniques recommended for your ... 
Math (Trig)
Solve the equation for exact values of x. sin(x) = 12(sin(x))^2 
simplyfying expressions (trig)
can anyone tell me how to do this? thanks! (sin (x) / 1 + cos (x) ) + ( cot (x) / 1 + cos (x) ) 
Algebra II/Trig
Simplify: 1/5(5a^2b^3)^2(abc)^4 How do you simplify this. How does the "5" play a role in this? how would you get 1/5 of "5" 
11th grade Algebra 2/ Trig
The expression log 10^(x+2) log 10^x is equivalent to??? 
trig
unsure how to find phase shift,vertical shift of y=2cos(x+3.14/4)+5 
trig
determine the coterminal angle between 360 and 360 for 540 
trig
How do you find the exact values of sin(u/2), cos(u/2), and tan(u/2) of tan(u)=5/8 
trig
How do you convert polar coordinates to Cartesian coordinates? And vise versa. 
trig
tan(theta)=(7/24), sin(theta)<0 find cos(2theta) 
Trig
Tan theta 12/5 ,pi <theta<3pi/2 Find sin 2theta 
trig
If cscx=2 and x greater 90 degrees and x less than 180 degrees, then sin x/2 = 
trig
Plot the point and then find three representation of the point (3,2pi/3) 
trig
Suppose that sin x = 1/5 and cos y = 2/3, and x and y are each angles in Quadrant 1. Determine sin(x+y). 
trig
let sin theta = 7/25 with theta in QIV find sec (2theta) 
trig
True or false? If A and B are angles of a triangle such that A > B, then cos A > cos B. 
trig
angle x lies in quadrant 3 and cos(x)=.6. Find cos(3pi/2x) 
trig
an angle 30 with the distace of 24km and an angle of elevation of 45 with the distance of 15km. 
trig
how do you solve 2nd cos 6/11 (my calculator doesn't have 2nd function0 
trig
Verify that each trigonometric equation is an identity tan^2+1/sec Î± =sec Î± 
trig
Find sin(2theta) if tan of theta = 7/24, pi < theta < 3pi/2 ? 
trig
Derive the identity 1 + cot ^2 theta = csc^2 theta by dividing x^2 + y^2 = r^2 by y^2 
trig
1.Ifg(x)=cos4x,find g'(pie/24). 2.Differentiate y=csc^2 pie*x 
trig
To the nearest degree, determine the measure of <X for each value of tan X if the tan X = 0.25 
Trig
Solve the equation in the given domain cos 4x + cos 2x = 0, 0<(or equal to) x < pi 
trig
A and B are acute angles such that cosA =3 over 5 and cosB =12 over 13 
trig
Prove that the statement is an identity: (tanx/cscx)=(1/cosx)cosx 
trig
Find y if the point (7, y) is on the terminal side of θ and cos(θ) = 7/25 
trig
If csc theta = 2, then what is theta approximated to 4 decimal points? RADIANS 
math/cal/trig solve for t
solve for t: 0=4sin(2t)cos(2t)sin(2t) 
trig
If sec theta = radical 5, what is the exact value of cos theta 
trig
If sec theta = radical 5, what is the exact value of cos theta 
trig
find the single term of cos^2 4theta  sin^2 4theta 
Precalc/Trig
Find all values of x, 0<x<(pi/2) for which (1/( root 3))<cotx<(root 3) 
trig
Find the Opposite of the right angle where the angle is 61 degrees and the Adjacent is 10 cm.? 
Trig
The point P(3, 4) is on the terminal side of θ. Evaluate tan θ. 3/4 3/5 4/3 4/5 
Trig
How do I prove that tan(x/2) =( plus/minus) sqrt(1cos(x/1+cos(x)) 
Trig
Simplify (sin^2)*(67.5deg)  (cos^2)*(67.5deg) and then evaluate exactly. 
Trig
Verify that each trigometric equation is an identity. 1/1sinx + 1/1+sinx = 2 sec^2x 
Advanced Functions/Trig
Prove the identity: cos^4 x + sin^4 x = 1  (1/2)sin^2 (2x) 
trig, math
In a right triangle with g the right angle, b = 86.5 and c = 125.8. What is β ? 
trig
Find all solutions in the interval [0,2pi]. sin 2x + sin x = 0 
math trig
a triangle has a measured of hypoteneuos 15 and an adjacent of 10 solve for the triangle.