296 Answered Questions for the topic Trigonometric Functions
Trigonometric Functions
06/07/18
cos^2x(tanx+1)^2 -1
I need to simplify this but I just can't find my way out of it.
06/07/18
Points of discountuity
how do we find pointa of discountity of trignometric functions such as
tan^-1(5x)
or sec(5x)
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions
05/02/18
using reference angle find the exact value
tan(sin-1(x+1⁄2))
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions Calculus 2
04/29/18
Tempuratures using Trig Function
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 38 and 52 degrees during the day and the average daily temperature first...
more
Trigonometric Functions
04/28/18
find all times t>= to 0 in exact form (terms of fractions of pie) using the following formula
i) h=13+4sin33t-6sin23t-6sin3t
h is in cm
find all times when t>= to 0 when the height is = to 9cm
ii) What is the first time the height is 9cm? give answer exactly and to 3 decimal places
Follows
•
1
Expert Answers
•1
![]()
Trigonometric Functions
04/27/18
H=10+3cos6t-sin9t-3sin3t show h can be rewritten as h= 13+4sin^3 t-6sin^2 3t-6sin3t
Please show the trigonometic identities and working
Follows
•
3
Expert Answers
•2
![]()
Trigonometric Functions Trigonometry
04/13/18
Solve the equation 8sin(1/2)x - 5 = 0 for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian.
Solve the equation 8sin(1/2)x - 5 = 0 for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian.
Follows
•
1
Expert Answers
•2
![]()
![]()
04/13/18
Solve 3cos 2x = 1 for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian.
Solve 3cos 2x = 1 for 0 < x < 2pi. Round your answers to the nearest hundredth of a radian.
Follows
•
2
Expert Answers
•1
![]()
04/13/18
State the amplitude and period of this function: y = -3cos(pi/3)x.
State the amplitude and period of this function: y = -3cos(pi/3)x.
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions Precalculus
04/11/18
(cotB)(sin^2 B)(cotB)
Write in terms of sine and cosine and simplify the expression
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions
03/08/18
how to get the five trigonometric function of secA =2
find the other five trigonometric function of sec A = 2
Follows
•
1
Expert Answers
•1
![]()
03/08/18
Show that the curve y=2sin2x -4x is never increasing
I am confused about how to differentiate 2sin2x or how to show that it is less than 0 and I have been trying to figure this out by various websites but it will not give me a clear answer. I would...
more
Follows
•
3
Expert Answers
•2
![]()
![]()
Trigonometric Functions
03/08/18
tan theta=-3.966 and pie/2<theta<pie Find sin theta
Find the values of sin theta and cos theta
Follows
•
2
Expert Answers
•1
![]()
03/04/18
sec( theta+45)=1
We are doing simple trig equations, you know, where like 1/2 =cos(theta) and you find on the trig circle what that is equal to. So it would be 60 and 300 degrees. However, I don't know how to solve...
more
Follows
•
1
Expert Answers
•1
![]()
03/02/18
Solve on the interval [0, 2pi) (cosx+1)(2cos^2x-3cosx-2)=0
I'm really confused on how to solve this.
Follows
•
2
Expert Answers
•1
![]()
03/02/18
How to solve cos(x)(cosx+1)=0
I missed this class so I'm really confused on how to solve this.
Follows
•
2
Expert Answers
•1
![]()
03/02/18
Solve on the interval [0,2pi) 1-cos theta = (2 - sqrt 3)/2
I dont quite remember how to solve this, if anyone could help.
Follows
•
2
Expert Answers
•1
![]()
02/23/18
Can someone explain to me how you would establish this identity: cos(a-B)•cos(a+B) = cos^2a - sin^2B
Please include each step so I can follow along
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions
02/19/18
Finding exact value of trigonometric functions.
How do you find the exact value of these trigonometric functions? My book has several listed so I’m just going to pick one in degrees and one in radians.
Sin 45°
Sin pi/3
There are also cos...
more
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions
02/17/18
what is 4 tan theta cos square theta = 3 tan theta in the text of finding all the angles between 0 and 360 degrees
I'm trying to find all of the angles between 0 and 360 and how i get it like the solving your work part
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions
02/08/18
pi<theta<2pi and tan theta = (sqrt 5)/2 find the values of the other 4 trig functions
Cant find a similar type of problem on google. Textbook didn't help.
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions
02/06/18
find the values of the 6 given trigonometric functions of theta with the given constraint:
function value: sin(x)=0 constraint: sec(x)=-1
Follows
•
2
Expert Answers
•1
![]()
01/31/18
TRIG 1/2 ANGLE FORUMLAS
The questions are: "If sin B = -1/3 with B in QIII, find tan B/2. Also find sin B/2
The answer for tan B/2 is-3-2sqrt(2)
The answer for sin B/2 is \sqrt((3+2\sqrt(2))/(6))
These are...
more
Follows
•
1
Expert Answers
•1
![]()
01/26/18
Convert products to sum or difference
a) 2sinα•cos2α
b) 2cos3α•cos2α
Follows
•
2
Expert Answers
•1
![]()
Trigonometric Functions
01/19/18
Given a function value of an acute angle, find the other five trigonometric function values. csc =1.6 what are the other 5 functions
What are the 6 functions
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
