Simplifying Trigonometric Expressions

Welcome to Questions LLC's category on Simplifying Trigonometric Expressions! Trigonometry, a branch of mathematics, deals with the relationships and properties of triangles and the angles within them. Simplifying trigonometric expressions is a fundamental skill that allows us to transform complex expressions involving trigonometric functions into simpler and more manageable forms. In this category, you will find a variety of questions and answers that will guide you through the process of simplifying trigonometric expressions. Whether you are a student seeking assistance or an enthusiast looking to expand your knowledge, we invite you to explore the wealth of information available and further enhance your understanding of trigonometry.

Questions (68)

Which of the following expressions is equivalent to (cos(3x))/sin(x)cos(x))?csc(x) cos(2x) - sec(x) sin(2x) sec(x) cos(2x) -
1. 5 answers
2. asked by Max
3. 5,619 views
What is a simplified form of the expression [sec^2x-1]/[(sinx)(secx)]?a. cot x b. csc x c. tan x***** d. sec x tan x I think
1. 5 answers
2. asked by girly girl
3. 3,431 views
4. Asked to simplify the expression sin(180−è), Rory volunteered the following solution:sin(180−è) = sin 180−sin è,
1. 4 answers
2. asked by sally
3. 2,932 views
What is the simplified for of the expression cos theta / csc theta - sin theta?How do you show your work on this?
1. 4 answers
2. asked by Anna
3. 1,605 views
how do i simplify (secx - cosx) / sinx?i tried splitting the numerator up so that i had (secx / sinx) - (cosx / sinx) and then i
1. 4 answers
2. asked by v
3. 5,537 views
simplifycos(30+x)+cos(30-x)
1. 4 answers
2. asked by Anonymous
3. 2,534 views
Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A) answer=
1. 3 answers
2. asked by steve
3. 1,348 views
I do not understand how to do this problem((sin^3 A + cos^3 A)/(sin A + cos A) ) = 1 - sin A cos A note that all the trig terms
1. 3 answers
2. asked by Joe
3. 675 views
Use the fundamental identities to simplify the expression:cot beta sec beta I used 1+tan^2u=secu since cot is the inverse of
1. 4 answers
2. asked by Tara
3. 1,505 views
express this in sinx(1/ cscx + cotx )+ (1/cscx- cotx) i got 2sinx is that right?? and B) express in cosx problem: is 1 +
1. 2 answers
2. asked by linds
3. 1,293 views
Given that tanθ = 2 root 10 over 9 and cscθ < 0 , find the exact value of cos(θ − pie over 4) .I solved for the other side
1. 5 answers
2. asked by Samantha
3. 685 views
simplify: tanx/secx+1
1. 4 answers
2. asked by Cam
3. 1,213 views
Use an addition or subtraction formula to simplify the expression:tan(2−u)=cot(f(u)).
1. 4 answers
2. asked by Anonymous
3. 1,120 views
Write the expression in terms of sine only.8(sin 2x − cos 2x)
1. 3 answers
2. asked by Shane
3. 2,730 views
How do I simplify tan θ + cot θ ?Or is it already simplified?
1. 3 answers
2. asked by Ana
3. 497 views
1. (sin θ - cos θ)^22. sec^2 θ - tan^2 θ - sin^2 θ Can you please show the step by step process of how to simply both?
1. 2 answers
2. asked by n
3. 66 views
simplify 2sin(pi/6)2cos(pi/6) to an expression of the form (a sin(theta))
1. 1 answer
2. asked by Calie
3. 228 views
simplifytan(sin^-1(x))= please explain the steps and how this can be applied to other similar problems
1. 1 answer
2. asked by Anonymous
3. 357 views
simplify cosec40(sin40+sin80+cos120)help step
1. 3 answers
2. asked by Anonymous
3. 343 views
show that Sin5θ/Sinθ = 16Cospower4 θ – 12Cospower2 θ
1. 1 answer
2. asked by Crisusseunayo
3. 331 views
Simplify each expression using fundamental identities.1. Sin theta cot theta 2. 1-sin^2 theta / cos theta
1. 2 answers
2. asked by Anonymous
3. 539 views
Can someone please explain how to simplify this proiblem:cotx/sec^2 + cotx/csc^2
1. 3 answers
2. asked by Luis
3. 447 views
How do you remove the 2 pi in this problem?csc 19pi/4 remove 2 pi -> (8pi/4) -> 11pi/4 -> 3pi/4 >> i really don't know how do
1. 3 answers
2. asked by Isis
3. 449 views
Simplify and write the trigonometric expression in terms of sine and cosine:sin x + (cot x)(cos x) = (1/f(x)) f(x)= ?
1. 2 answers
2. asked by tyler
3. 534 views
3. write tan (π/4-β) as a function of β only.8. write cos(λ+ π/3) as a function of λ only. 16. Write cos(–83°) as a
1. 1 answer
2. asked by yoshi
3. 463 views
Simplify expression tan(-x)csc(x) ???Cos x -cos x Sin x Sec x -sec x
1. 1 answer
2. asked by Philip
3. 405 views
Simplify using identitestan(-x)cosx
1. 1 answer
2. asked by Raeven
3. 289 views
Can anyone please explain these problems to me?? I really need help!I need to simplify these trig expressions but I don't
1. 2 answers
2. asked by Valerie
3. 555 views
Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power(cos
1. 1 answer
2. asked by lina
3. 399 views
Simplify: cos x cos x----- + ----- sec x-1 sec x+1
1. 2 answers
2. asked by Anonymous
3. 785 views
how can you condense thesecos^3x* cos2x^2 cos^3x+ cos2x^2 cos^3x- cos2x^2 Thanks a lot :)
1. 1 answer
2. asked by Sabrina
3. 430 views
tan60=2 tan30/1-tan^2 30sqrt(3)=I'm confused of that 2 but i guess it means to multiply. again.. sqrt(3)= (2) sqrt(3)/3 / 1-
1. 2 answers
2. asked by anon
3. 555 views
Simplify:(cosx + cos2x + cos3x + cos4x + cos5x + cos6x) / (sinx + sin2x + sin3x + sin4x + sin5x + sin6x) into a single Cotangent
1. 4 answers
2. asked by Jeff
3. 1,585 views
simplify cosecant (2(square root of 3) divided by 3
1. 1 answer
2. asked by Anonymous
3. 436 views
How do you simplify these questions?:1. cos^2(x/2)-sin^2(x/2) 2. 2cos^2(3A)-1 3. sin 2x/1+cos2x I think number 3 is tan 2x? The
1. 1 answer
2. asked by anonymous
3. 423 views
How do I simpllify 1-sin^2x/1-cos^2x?
1. 3 answers
2. asked by Lauren
3. 339 views
simplify: csc²x secx
1. 1 answer
2. asked by john2
3. 256 views
Use the fundamental identities to simplify the expression.csc Q / sec Q so this would be 1/sinx / 1/cosx and then 1/sinx times
1. 2 answers
2. asked by Hannah
3. 486 views
Use the fundamental identities to simplify the expression.csc Q / sec Q so this would be 1/sinx / 1/cosx and then 1/sinx times
1. 2 answers
2. asked by Hannah
3. 497 views
How do I simplify this?cos4xcos3x-sin4xcos3x I pulled the cos3x out as a common factor but that doesn't really help. Can someone
1. 3 answers
2. asked by Scott
3. 542 views
give the value of each expression in simplest radical form of sine -45 deprees
1. 1 answer
2. asked by Anonymous
3. 355 views
Which of the following is a simpler form of sin^2 theta/1-cos theta -1 I think the answer is tan theta
1. 1 answer
2. asked by Brittany
3. 465 views
Simplify (tan^2θcsc^2θ-1)/(tan^2θ)This question totally stumps me. I know that csc^2=1/(sin^2) and tan^2=(sin^2)/(cos^2), but
1. 4 answers
2. asked by Jennifer
3. 629 views
Simplify: csc A - sin A - Cot ACot A Csc A 1/sin - sin A - 1/tan 1/tan 1/sin -sinA?
1. 2 answers
2. asked by Courtney
3. 755 views
Factor; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent
1. 3 answers
2. asked by Blair
3. 1,238 views
Use a sum of difference identity to write the expression as a single function theta: cos(theta - pi).Okay so I know we will use
1. 2 answers
2. asked by Abby
3. 1,103 views
how doessecx(tanx + tan^2x- sec^2x) simplified to sec x (tanx -1)?
1. 2 answers
2. asked by Jin
3. 939 views
For this question, they want me to use fundamental trig identities to simplify the expression. The problem is as follows;
1. 6 answers
2. asked by CodyJinks
3. 666 views
I need help with I just can't seem to get anywhere. this is as far as I have got:Solve for b arcsin(b)+ 2arctan(b)=pi
1. 1 answer
2. asked by Jen
3. 627 views
If sinθ=1/5 and θ is in Quadrant I, find the exact value of sin2θ.
1. 2 answers
2. asked by Tabby
3. 557 views

Simplifying Trigonometric Expressions

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