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Trigonometric Equations
Page 8
Questions (452)
Could someone help me with those two questions. I need to know how to do them without calculator
solve for the interval [0,2pie]
1 answer
asked by
Anonymous
452 views
If cos 9 alpha = sin alpha 9 alpha < 90 degree then 5 alpha =
1 answer
asked by
seshadri
768 views
If A+B=90° then what is the range of SinA•SinB
2 answers
asked by
meet
748 views
what is the exact value of
1-2sin(15degrees)? also 2(sin2x)=2sinx solve it for 0<_x_<360 and also 2cos2x=-�ã3 solve it and find
3 answers
asked by
MRADILAHMED
799 views
Find all x and y between 0 and 2pi so that the equation is ture
-2 cosx -i sin y = 2 sinx +i i am also having trouble with this
3 answers
asked by
Ellie
428 views
find all solutions in the interval [0,2 pi)
sin(x+(3.14/3) + sin(x- 3.14/3) =1 sin^4 x cos^2 x Since sin (a+b) = sina cosb + cosb
2 answers
asked by
lauren
769 views
cot^2(3x)sin(2x)-sin(2x)=0
2sin^2(5x)+sin(5x)-1=0
3 answers
asked by
Anonymous
760 views
Solve 6 sin^(2)x - 5 cos x - 2 = 0 in the interval 0 ≤ x ≤ 2pi
2 answers
asked by
sami
718 views
2tanx/(3+tan^x)=what
2 answers
asked by
Saiful
694 views
tan(4x − 4)° = cot(3x + 10)°
2 answers
asked by
Kiki
682 views
Prove: (1+tan21)(1+tan28)(1+tan24)(1+tan17)=4
3 answers
asked by
Rabinprakash
673 views
Write an equation of sin with amplitude = 2, period = 2pi, and vertical shift = 5
2 answers
asked by
xavier
627 views
1. (sinx/cscx)+(cosx/secx)=1
2. (1/sinxcosx)-(cosx/sinx)=tanx 3. (1/1+cos s)=csc^2 s-csc s cot s 4.
2 answers
asked by
Tom
662 views
Directions: Find the Location on Unit Circle, Period & General Solution for this problem>>>>>>> sin^2x=3cos^2x
What I have so
2 answers
asked by
Rachel
648 views
If cos 9 alpha = sin alpha 9 alpha < 90 degree then 5 alpha =
2 answers
asked by
seshadri
634 views
Given that sin (x +30)° = cos 2x° for 0°, 0° ≤ x ≤ 90° Find the value x. Hence find the value of cos^2 3x°.
2 answers
asked by
kudu
616 views
I have some trigonometric equations to do, but I'm pretty lost, and I have to get them done in a timely fashion, so any help
1 answer
asked by
Gary
603 views
2sinx-cosx=3/sqrt. of 2
2 answers
asked by
cassy
584 views
Using the same equation from problem 1, what is the average temperature in Atlanta, GA, for the month of June?
equation from #1
2 answers
asked by
CJ
598 views
Genral solution of:
2tan x + 3=0 Solve for x if: 2tan x +3 =0 and x E[-180;180]
2 answers
asked by
Thule
588 views
Q)If sin x=12/13 then find the value of the following in fraction:
1)3 tan x - cos x 2)5 sin x - 4 tan x 3)2 sin x - cos x + tan
3 answers
asked by
humza
566 views
(arcsin(x/2)+arccos(x/2))/arctan(x) = 3/2, solve for x if x >0. Thanks.
2 answers
asked by
Dan
599 views
2cosx=√2+√2+2cos4x
5 answers
asked by
neha
587 views
Solve each equation for all real values of x.
7.) 3 cos 2x - 5 cos x = 1 8.) 2 sin^2 x-5 sin x + 2 = 0 9.)3 sec^2 - 4 = 0 10.)
2 answers
asked by
Maurice
596 views
tan1/2=cscø-cotø
3 answers
asked by
ahmed
589 views
Prove that sinx=x for x is a real number has only one solution at x=0
2 answers
asked by
Andre
560 views
cos2x(2cosx+1)=0
x=?
2 answers
asked by
Rob
565 views
If sinθ=1/5 and θ is in Quadrant I, find the exact value of sin2θ.
2 answers
asked by
Tabby
565 views
Solve:
sec(x)^2= 3tanx +1 *** It is suppose to be the sqaure root of 3 but i could find the symbol so just wrote the 3 without it
2 answers
asked by
Jack
572 views
Hi,
I really need help in understanding how to solve trig equations. How do you solve this equation? Solve the equation on the
2 answers
asked by
Leah
573 views
Choose the two options which are true for all values of x
1) cos (x) = cos ( x – pie/2) 2) sin (x + pie/2) = cos (x – pie/2)
1 answer
asked by
katie
579 views
Solve sin θ = 0.95 for -90º ≤ θ ≤ 90º.
2 answers
asked by
Molly
560 views
8. Solve each of the following trigonometric equations and find all solutions in the interval: 0<= θ <=2pi
f. 2sin^2 x - x - 1 =
4 answers
asked by
!!
564 views
Solve.
2sin(2ƒÆ) + �ã3 = 0 interval [0, 2ƒÎ) How do I start this? I feel like maybe Trig Identities, but I'm not really
3 answers
asked by
Josh
529 views
Xsin(theta)-Ysin(theta)=rootX^2+Y^2 andcos^2(theta)/a^2+sin^2(theta)/b^2 then find correct relation
2 answers
asked by
aakash
522 views
y=tan(x-y)
2 answers
asked by
Jovante
500 views
Xsin(theta)-Ysin(theta)=sqrtX^2+Y^2 and cos^2(theta)/a^2+sin^2(theta)/b^2=1/x^2+Y^2 then find the relation
2 answers
asked by
aakash
525 views
Find all solutions of the equation (sec(x))^2−2=0
The answer is A+Bk where k is any integer and 0<A<pi/2 Find: A= pi/4? B=??
2 answers
asked by
Melissa
509 views
find all solutions on 0 is greater than or equal to theta < 2pi
cos theta= 2sqrt3/3 4-1/2sin theta= (-16+sqrt3)/4 3(sqrt3)= -3cot
3 answers
asked by
bob
531 views
Find a trigonometric equation in the form y = a sin (b (x-c)) which has a minimum of (3, -5) and a zero value of (6, -1).
There
5 answers
asked by
John
497 views
x=2cosø-sinø and y=cosø-3sinø then prove that 2x+y-2xy=5
1 answer
asked by
Laksh
505 views
solve tan 2(A-B)
2 answers
asked by
yuyu
502 views
sin42=165/x
2 answers
asked by
karim
481 views
solve equation in interval.
sec x = -3 -¦Ð ¡Ü x < ¦Ð the answer is x = -1.911 and 1.911 could someone please write the
2 answers
asked by
Amy
513 views
The equation y=5sin(3x-4)where y is in millimeters x is in metres and t is in seconds,represents a wave motion
2 answers
asked by
Arugo Assmpta
500 views
a sec theta + b tan theta =c and p sec theta + q sec theta = r then eliminate theta
2 answers
asked by
aryan
478 views
Find the actual value of
Cos30/sin30+cos60×tan60
2 answers
asked by
sametlyn
501 views
What are the exact solutions within the interval [0,2pi)?
sin2x=cosx
2 answers
asked by
Anonymous
502 views
Solve the following questions
(1) SinB=Cos35 degrees (2) Cos286 degrees (3) SinB=Cos3B (4) Cos2B=Sin3B (5) Cos y= Sin(y+22
2 answers
asked by
Ande2
499 views
2cos^2theta-3costheta+1=0
inerval [0,2Pi)
3 answers
asked by
Adam
473 views
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Parent Categories (12)
Algebra
Algebra and Equations
Algebra/Equations
Algebraic Equations
Equations
Equations and identities
Equations and Inequalities
Equations and Solutions
Solving equations
Trigonometric Functions
Trigonometric Identities
Trigonometry