alg/trig
4,413 results, page 10

trig
cos 8 degrees fo feet 25 inches?? 
trig
Solve system of inequalities by graphing Y<2x Y>x+4 
trig derivatives
How do I find the derivative of 6 + 8cosx? 
trig
What is inverse cot of negative radical 3/3 
trig
What is the exact value of 19 pie divided by 12. 
Trig
Triangle ABC has B= 137degrees, A=31.6 in., and C=42.8 in. Find B. 
trig
Cos 3 alpha =  0.1 solutions in degree 
trig
differenthate sin8x from first principle? 
Trig
Prove that 1 + tanAtanA/2 = tanAcotA/2 1 = secA 
trig
What is the fundamental period of the function f(x)=4/9sinx 
trig
how can we find the value of sin 720 
trig
4 costheta +3sintheta=5,4sintheta3costheta=WHAT 
Trig
if tan(x)=9/4, find cos(x) if pi<x<3pi/2 
trig
if sin 7x = cos x+10 find the value of x 
trig
Simplify the expression cos^2 x (sec^2 x1) 
trig
2cos^2 22.51 (find exact value) 
trig
cos(sin^1 x)=sq rt(1x^2) prove the identity 
trig
if sin2x=3sin2y, find 2tan(xy) 
Trig
Find the co terminal angle for 15pi/4 
Trig.
Subtract. Simplify is possible. (x^23x28)/(x^2x42) (x^2+10x+24)/(x^2+x12) 
trig
Find the dot product of u and v u= 3i+7j v= 11i5j 
trig
two dice are rolled, find p(2,then 3) 
trig
find the exact radian of 84 degrees 
trig
find the angle between vectors U= <2,3> and V= <1, 5> 
trig
what is the exact value of sin[tan^1(2/3)] 
trig
sec8A1/sec4A1=tan8A/tan2A 
Trig!
Find the following values for each function. A. f(0) B. f(1) C. f(x) D. f(x+1) f(x)=2x^2+3x4 and f(x)=x^2/x+1 
trig
Find the domain of each function. f(x)=Sqareroot of 5x f(x)=x^3/x^216 
trig
2 cos(theta13)= square root of 3 
trig
(1 + sinx)(secx  tanx) = cos x 
TRIG
(cotx + cscx(1cosx)= SIN x 
Trig
cos x cot = csc  sin 
Trig
What re the roots of the following polynomial equation (x+5)(x+2)(x5)=0 
trig
How do I find the exact value of sin (pi/24)? 
trig
if sin 41'=m. write m in terms of cos 41' 
trig
What happens when you try to elevate sin1(3/2)? 
Trig
Rewrite 6x^2  sqrt(3)xy + 5y^2  9 = 0 with the xy term eliminated. 
Trig
Convert 2xy = 1 to polar form. 
math
simplify sin(5402x) this is to do with trig 
TRIG
What is the 6th term of the geometric series with a1= 5 and r=2.5 
trig
If (m+2)sin ø + (2m1)cos ø = 2m+1 then tan ø is equal to 
trig
determine the period of the function. y = cot 4t 
trig
Multiply and simplify. (cos x  sin x)^2 
Trig
Multiply and Simplify. ( 1 + cot θ )^2 
trig
simplify the expression. sin^2xcos^2x 
trig
simplify the expression. cot^2(x)csc^2(x) 
trig
Which expression is equivalent to csc x  sin x? 
trig
Evaluate and simplify tan 5π/12. 
trig
tan^2(5x)cos^4(tx = 1/8  1/8cos(20x) 
trig
tan^2(5x)cos^4(5x) = 1/8  1/8cos(20x) 
Inverse Trig
What is the general solution to y = arcsin 1? 
Inverse Trig
What is the general solution to y = arcsin 0? 
Trig
What is the sum of the arithmetic series where n=50 , t1=9 and t2=331 
Precal/trig
sina=3/5, pi/2<a<pi evaluate cos2a 
PreCalc/Trig...
Assume f(x) = 2x + 8 and g(x) = 3x. What is the value of (f + g)(1)? 
PreCalc/Trig...
vertex form:y4=(x4)^2 
trig
Solve R=3(1sin theta) and graph 
trig
what is the reference angle for 11π/6? how would i do this? 
Trig
How do you derive this identity? Cos(t)=1sin^2(t/2) 
Trig/ algebra 2
if f(x) = sin4xcos2x, find f(pi/8) 
Maths trig
Sketch the graphs of f(x)=3overx+1 and g(x)=2x4 
Trig
(Tan/cot) (sec/cos) 
Trig
Help me find out how to do csc5pi over6 
Trig
Solve for [0,2pi) 2cos4x + sqrt3 = 0 
trig
sec = 7/2 and is in Q1, then what is double angle of tan? 
MATH
Integrate 1/(x(x^2+1)) dx using trig substitution 
Trig
if sin(x)=0.5 and x is in the third quadrant, find x 
Trig
4x+y=0, x≥0 help finding Sin, Cos, Tan for this 
Trig
cotxcosx/csc^2x1 Please help me verify 
Math (Algebra 2 / Trig)
y=x^2+bx+7 has a vertex at (4,9). What is the value of b? 
ALG WORD PROBLEM
The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 9 amperes when the resistance is 940 ohms. What is the current when the resistance is 580 ohms? Thank you yet again. Almost through with this part of the class thank ... 
college alg.
An event in the Summer Olympics is 10meter springboard diving. In this event, the height s, in meters, of a diver above the water t seconds after jumping is given by s(t) = –4.9t2 + 7.1t + 10. What is the maximum height that the diver will be above the water? Round to the ... 
Alg. 2
I know how to graph polynomial functions, but i'm having a hard time getting the second point on this one. f(x)=x(x1)(x+2)(x+2). I graphed my zeros and made the right arrow go up and the left arrow go down. I plotted my first point by pluggin in 1. My first point is (1,2). ... 
Precalculus/Trig
I can't seem to prove these trig identities and would really appreciate help: 1. cosx + 1/sin^3x = cscx/1  cosx I changed the 1: cosx/sin^3x + sin^3x/sin^3x = cscx/1cosx Simplified: cosx + sin^3x/sin^3x = cscx/1cosx I don't know where to go from there. 2. (sinx + cosx)(tanx... 
Alg 2
Today we learned how to solve systems of equations with 3 variables, however my teacher didn't go over how to do a problem where not every single equation in the system has the 3 variables. Can someone point me to a place that explains this? the kind of problem im talking ... 
alg.
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola with the given equation. y = 8x2 + 48x − 3 vertex (x, y) = _____________ axis of symmetry _____________ 
trig
For each expression in column I, choose the expression from column II to complete an identity: Column I Column II 1. tanxcosx A. sin^2x/cos^2x 2. sec^2x1 B. 1/sec^2x 3. sec x/cscx C. sin(x) 4. 1+sin^2x D.csc^2xcot^2x+sin^2x 5. cos^2 x E. tanx I figured #1 is C, #2 is A, ... 
alg application
two cars leave the station at 9:00 am. the first car head due south at an avg speed of 54mph. the second car heads due west at an avg speed of 72mph. how far apart will the cars be at 1:00pm? my solution: 360mi is this correct 
alg
A clothing company uses the expressions that follow to estimate revenue and expenses based on the production of x lots of clothes: Revenue: Expenses: The ratio of revenue to expenses is represented by the rational expression that follows: A. Factor the numerator and ... 
Alg. 2
if you invest a total of 1000 dollars, part at 6% and part at 8%, if you invest x dollars at 6%, then how much do you invest at 8%? 
trig
if sin2x=3sin2y, prove that: 2tan(xy)=tan(x+y) 
trig
Graph the followiing function from x + 0 to x = 4 pi y = 3 cos squared x/2 
Trig
Find the exact value of: tan(3pi). 
trig
eliminate the parameter t from the following x = 9sin t y = 9cos t 
trig
If a = 5 cm and b = 3cm, use the Pythagorean Theorem to find c 
trig
If an angle is 1 radian, what is the arc length in radians? 
Trig
What is sin^2  cos^2 x/ 12cos^2 x, using the identities. 
trig
solve 2sin^2x+sinx1=0 in the interval [0, 2pi0 
algebra with trig
how do you solve an inequality and graph it's solution? 
trig
for a tangent graph is one of the asymptotes AWLAYS at  pi/2 ? 
trig
simplify cosecant (2(square root of 3) divided by 3 
Trig
given sin(4x)=5/13 in Q II find Tan(2x) and cos(2x) 
trig
how do i solve tan(165) and sin(285) 
trig
unscramble these letters into 3 words: rceureigthorty 
trig
2cosx+sinx+1=0 how do I get everything in one function? 
trig
Solve for X. Leave answers in logarithmic forms. 3^(2x) = 2^x Thanks. 
Trig problem
What is a coterminal angle with 170 degrees? 
trig
solve sin x1=0 for 0degress<x<360 degrees 
trig
How do I find the "exact value" for the arcsin of pi/3 radians? 
trig
Find sin è/2 for cos è = 1/4 and è lies in Quadrant I.