Trig check my work please?
90,347 results, page 34

Math 116 algebra please check
Solve by elimination method 2x + 3y =1 4x + 6y =2 What is the solution of the system N there is no solution 
Math check please
Solve w= (va)/(r^2+a^2) for a. I applied the quadratic formula a= (v/w + sqrt (v^2/w^2  4*(wr^2)) /2 and I have the answer as a= (v+/ sqrt[v^2+4w^2r^2]/w 
*ScienceCheck*Help
Can someone please have a moment to look at my other previous science posts, thanks :) 
Math(Please Check)
in which one quadrant is the cosecant negative and the secant positive. Quadrant 4. Is this correct? 
algebra
What is the volume of a box whose length is 122x, width is 72x, and height is x. l*w*=height 12*7=84 2x=84 x=42 Is this right, check for me please 
algebra
The problem is factoring completely 4xX^220x24 4(X^25x60 4(x6)(x+1) 12x^275 3(X^225)=3(X25)(x+3) Can someone check these problem for me please. 
Algebra, ( Check please)
5h7=2(h+1) I got, 5h7=2h+1 and then I added 7 plus 1, and got 6 So 5h6=2h? Could someone explain what I did wrong and help me correct it? 
Chemistry(Please check)
(0.80M)(5.00mL) = c2 (75.00mL) c2 = 5.33e2 M Is the correct amount of sig figs? 
Art
Can you please check these two sentences? Thank you. 1) Why did the doctor prescribe Coleridge opium? What did Coleridge suffer from? 
AP calculus
∫[0,x^(3),(t)/√(1+t^(3)),] Find the derivative of the integral. A. (3(x^3))/((1+(x^9))^0.5) B. (x^3)/((1+x^9)^0.5) C. (3x^3)/((1+x^3)^0.5) D. (5x^3)/((1+x^6)^0.5) E. (3x^5)/((1+x^3)^0.5) I think the answer is A. Can you check my answer please? 
Math! Please check!
The complement of an angle measures 37°. What is the measure of the angle? A 143° B 127° C 63° D 53° My choice is C. 
Math
Can someone please check these problems? Thank you! Solve each equation for the indicated value. 1. ab=c, for a I got a=c+b 2. 4y+6x=12, for y I got y=3/2x+3 
Math
Find the slope of a line that is parallel to the line ontaining the points (3, 4) and 2, 6) A. m= 2 B. m= 2 C. m= 1/2 D. m= 1 I say it's C or A Please check 
Math
Find the slope of a line that is parallel to the line ontaining the points (3, 4) and 2, 6) A. m= 2 B. m= 2 C. m= 1/2 D. m= 1 I say it's C Please check 
Math
what is 10 thirds in standard form? A.10 B.100 (my answer) C.1,000 D.1,0000 Please check my answer!! 
Math: Trig
Help with vectors, please. Thanks 1) Express point in rectangular form. Give EXACT answer, if possible? (2, 4π /11) 2) Given P = (2. 3) and Q = (3, 4). find the component form of vector PQ 3) The vector v has a magnitude of 25 inches and a direction of 32° , Express ... 
mathplease check my answer
50% of what number is 45? I did 45*.50=22.5 is that the correct answer? 
French
Sra could you please check my french post again. 
math
please check: 10 to the 1st power = 10*1??? 10 to the 0 power = 10*0??? I'm not sure. 
math
Will someone please help me solve this problem. Solve and Check 3x^2=2x=5 
Math  Check my answer please
Simplify. 3w  10w MY ANSWER: 7w 
Math
Please check my answer. Multiply the reciprocal of 4 1/2 by 8/9. My answer: 9/2 x 8/9 2/9 x 8/9 = 16/81 
Math
3. 8 1/3 x 3/5= 25/3 x 3/5=75/15=2 4. 2 5/8 x 1 2/3 21/8 x 5/3=105/24 105/24=4 9/24 Can you please check the above answers. 
Math
5 1/2 x 3 1/3= 11/2 x 10/3= 110/6 110/6=18 2/6 Please double check the answer thank you 
Math
7 1/5x 2 1/6= 36/5 x 13/6=468/30 468/30= 15 6/30 Can you please check on the answer and the above. 
English
Could you please check these two sentences, please? 1) Water chute and spring board don't have the same meaning, but I think I can use them both with "dive into the water". 2) Superman was both a superhero endowed with superpowers and a shy and insecure newspaper reporter. He ... 
Trig
Solve: x=Arctan(sqrt3). 
trig
1tan^2x/ 1cot^2x = 1sec^2 x 
trig
what is the rectangular equation for r=12/(36cosX). 
trig
find the value of : sin18' 
trig
what is the inverse tangent of (rad3/3)? 
Trig
cos2x(2cosx+1)=0 Solve for x. 
trig
solve for C0T^2X  CSC^2X =? 
MathTrig
solve for a: V=4/3pia^2b 
trig
The period of y=5 cos pi x is 2 but I don't know how to find it. 
Trig
Help with solving radical fractions. 
trig
how do you graph y=554csc(theta+5)??? 
Trig
How do you do this problem? 1+i(square root of 3) 
trig
Determine the amplitude of: y=cos x 
Trig
What is the solution set of the inequality x^2x>20? a)x>5 b)4<x<5 c)x>5 or x<4 d)x>0 
trig
how do you graph the equation y=2cosx? 
trig 30
What is the period of the function y =sin x/4? 
trig
Evaluate cos (2 arcsin (1/4)) 
trig
what is the tan of 25 degrees and 01 minute 
Trig
tan(2x)=root3 over 3 
Trig
Solve for X: 5sinx+2cos2x3=0 
trig
cosxcscx2cosx=cscx2 
trig
cos(x+B)=cosxcosBsinxsinB 
Trig
How do I solve this problem? tan (30° + x) 
equations trig
2cos^2x3sinx=0 
equation trig
cosxsinx<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
cotxcot2xcot2xcot3xcot3xcotx=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 sinAcosA=? 
trig
cotx/secxtanx 
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 (9045)=cos90 cos 45 
trig
What is the trigonometric notation for 33(sqrt3i)? 
trig
what is the cube root of (64i)? 
Trig
What is the vertical asymptote of y=tan(xpi/3)? 
Trig
What is the period of f(x)= 1/2 tan(3x+pi/2) and 2/3 cos(x/31/2)? 
trig
How would you go about finding x and y?? [x8 2 2y] [9x16 2 6] [ 2 7x 7] = [ 2 7 7] [4 y4 2] [4 1 2] 
trig
sec(90degrees theta) 
trig
verifying a solution. 4cos^2 2x2=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) 05(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+3x3? 
trig
Triangle PQR is congruent to P'Q'R. If PQ= x+y, P'Q'+10, Q'R'= 3xy, 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 4/5ã13 plz 
trig
express 4/5ã13 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 + (y2)^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 x3) 
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(x10)=tan(4x) what does x equal?