Evaluating Trigonometric Expressions

Welcome to the "Evaluating Trigonometric Expressions" category of Questions LLC! In this section, you will find a collection of questions dedicated to the evaluation of trigonometric expressions. Trigonometry, the branch of mathematics that deals with the relationships between angles and sides of triangles, is an essential component of various fields including physics, engineering, and navigation. Whether you're a student seeking to enhance your understanding of trigonometric functions or a professional looking to sharpen your problem-solving skills, this category offers a diverse range of questions that will challenge and expand your knowledge. Explore the questions, test your abilities, and deepen your grasp of evaluating trigonometric expressions with Questions LLC!

Questions (57)

evaluate the expression under the given conditions.cos(θ − ϕ); cos(θ) = 5/13, θ in Quadrant IV, tan(ϕ) = − square
1. 4 answers
2. asked by Ruth
3. 13,080 views
Evaluate the expression under the given conditions.sin(θ + ϕ); sin(θ) = 12/13, θ in Quadrant I, cos(ϕ) = −(2(sqrt 5))/5,
1. 4 answers
2. asked by Just another college student
3. 2,939 views
If tan x =5/12,0 degrees < x < 90 degrees.evaluate,without using mathematical tables or calculator, sin X/(sin X)^2 + cos x
1. 2 answers
2. asked anonymously
3. 126 views
evaluate each expression. write your answer in exact form. csc 150 degrees
1. 7 answers
2. asked by slayrat
3. 146 views
what is the value of the expression?1. Tan 5π”/6 √3 -√3/3 -√3 1 2. What is the value of the expression. tan (-11/π/6)
1. 4 answers
2. asked by kiki
3. 85 views
Evaluate 2 tan 240 + 3 cos120 leaving your answer in a surd form
1. 4 answers
2. asked by Betty
3. 143 views
Find the exact value of the expression without a calculator:sin(3π/4+5π/6) I've done: sin(9π/12 + 10π/12) =sin(19π/12) What
1. 4 answers
2. asked by Phil-- HELP NEEDED ASAP
3. 1,305 views
evaluate the expression under the given conditionstan 2 theta; cos theta=7/25, theta in quadrant I
1. 4 answers
2. asked by Anonymous
3. 2,328 views
Evaluate the following expression. Your answer must be in exact form: for example, type pi/6 for π6 or DNE if the expression is
1. 5 answers
2. asked by Dan
3. 1,639 views
evaluate each of the following..sin 130.tan 60/cos 540.tan 230.sin 400
1. 5 answers
2. asked by Jossie
3. 1,189 views
Find exact value of the expression.sin( 27pi/4 + 17pi/6)
1. 2 answers
2. asked by Brianna
3. 927 views
Use one of the identitiescos(t + 2πk) = cos t or sin(t + 2πk) = sin t to evaluate each expression. (Enter your answers in
1. 4 answers
2. asked by Kaleen
3. 1,531 views
Evaluate 8(1+sin 8/3 radians)without using maths table or a calculator
1. 2 answers
2. asked anonymously
3. 44 views
If sin(x) = 1/3 and sec(y) = 29/21, where x and y lie between 0 and 𝜋/2, evaluate the expression.cos(x + y)
1. 1 answer
2. asked by Saq2
3. 94 views
If 𝜃 is in Quadrant II and cos𝜃+sin𝜃=1/5, the value of 𝑠𝑒𝑐𝜃/𝑡𝑎𝑛𝜃 +
1. 3 answers
2. asked by Anonymous
3. 240 views
Which of the following expressions have a value of –√3?sin(11π/6) cos(5π/3) cot(7π/6) tan(11π/6) cot(2π/3) sin(5π/3)
1. 1 answer
2. asked by Stephanie
3. 350 views
Does 10cos(60) equal 5 or 5√3
1. 1 answer
2. asked by Anonymous
3. 274 views
Determine an exact value for the expressionsec4π/3*cot5π/6-tan3π/4
1. 1 answer
2. asked by Zara
3. 461 views
Determine an exact value for the expressionsinπ/6 tanπ/3 ÷ cscπ/4
1. 1 answer
2. asked by Zara
3. 419 views
Evaluate the expression given that cosine a=4/5 with 0<a<pi/2 and sin b=-15/17 with 3pi/2< b<2pi
1. 2 answers
2. asked by Sarah
3. 464 views
Evalute the expressions:1). sin(π/3)+cos(π/3) 2). (cos 45°)^2-(sin 45°)^2
1. 1 answer
2. asked by Jennifer
3. 330 views
Given sin= -√5/6 with π < u < 3π/2 and cos v= √3/5 with 0 < v < π/2 find sin(u-v) and tan(u+v). Please show work and
1. 1 answer
2. asked by Jane
3. 395 views
Evaluate the expressions:a) arctan(-sqrt(3)) a) Arctan(-sqrt(3)) So, I know how to find the answers with a calculator, but how
1. 4 answers
2. asked by Kate
3. 3,648 views
write and that is equivalent to each of the following expression,using the related acute anglea) sin 13pi/6 b) cos 11pi/8 c) tan
1. 2 answers
2. asked by nadia
3. 840 views
write and that is equivalent to each of the following expression,using the related acute anglea) sin 13pi/6 b) cos 11pi/8 c) tan
1. 2 answers
2. asked by nadia
3. 508 views
evaluate the expression tan (257pi/4)a.-1 b. -(sqrt2)/2 c. 1 d. (sqrt2)/2
1. 4 answers
2. asked by Anonymous
3. 705 views
Evaluate the expression under the given conditions.? show work please!sin(A-B); tan A=12/5, A in quadrant 3, sinB=-3sqrt(10)/10,
1. 1 answer
2. asked by Kimberly
3. 463 views
Evaluate the expression under the given conditions (show steps please)sin(è/2); tan è = − 5 / 12 , è in Quadrant IV
1. 3 answers
2. asked by John
3. 467 views
Evaluate the expression under the given conditions. (show work please)sin(A-B); tan A=12/5, A in quadrant 3, sinB=-3sqrt(10)/10,
1. 1 answer
2. asked by Daniel
3. 1,028 views
Evaluate the expression under the given conditions.sin (A+B); tan A= 12/5, A in quadrant 3, sin B= -3sqrt(10)/10, B in quadrant
1. 2 answers
2. asked by Amanda
3. 519 views
Evaluate the expression. Assume that all angles are in Quadrant I.14. tan(arccos 3/5)
1. 2 answers
2. asked by missy
3. 746 views
Evaluate the expression. Assume that all angles are in quadrant 1.1. cos(arccos4/5)
1. 2 answers
2. asked by missy
3. 680 views
Evaluate the expression under the given conditions.tan(A+B); cosA=-1/7, A in quadrant 3, sinB=1/2, B in quadrant 2.
1. 2 answers
2. asked by Josh
3. 808 views
Use one of the identitiescos(t + 2ðk) = cos t or sin(t + 2ðk) = sin t to evaluate each expression. (Enter your answers in
1. 2 answers
2. asked by Stephanie823
3. 920 views
evaluate tan(51 degree 15')+cot(25 degrees 18')
1. 2 answers
2. asked by Anonymous
3. 506 views
How can I find the exact value of 4cos(7ð/4)-2sin(ð/3)?
1. 5 answers
2. asked by Anonymous
3. 375 views
How do you evaluate the expression cos3pi
1. 2 answers
2. asked by Freckles
3. 977 views
cosθ =5/13 with -π/2 < θ <0 find each of the followingsin( θ - 5π/4) cos( θ - 11π/6) tan( θ + 5π/4) can some1 explain
1. 1 answer
2. asked by Yul
3. 433 views
Find the exact value of the expression.sin(arccos sqrt(5)/5)
1. 2 answers
2. asked by Jackie
3. 825 views
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and
1. 2 answers
2. asked by Patti
3. 1,084 views
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and
1. 1 answer
2. asked by Paige
3. 409 views
evaluate the expression: cot 270 + 8 cos 180 + 5 sec2-360
1. 1 answer
2. asked by marlene
3. 438 views
As the answer to:(tanØ * cosØ/ sinØ) + cotØ * sinØ * tanØ* cscØ I got 2, is that correct?
1. 1 answer
2. asked by Ana
3. 456 views
how do i use an identity to find the value of the expression sin 1.7 and csc 1.7
1. 1 answer
2. asked by Melysa
3. 414 views
Solve without using a calculator or tablescos(5pi/6 + pi/4) Thank you Reiny!:)
1. 1 answer
2. asked by Priya
3. 450 views
Evaluate1. sin(tan inverse sqrt(x^2-2x)) 2. tan (sec inverse 3y)
1. 1 answer
2. asked by Jen
3. 456 views
Find the exact value of the given expression.(tan17pi/12 - tan pi/4) / (1+tan 17pi/12 tan pi/4) can you help with this? i got
1. 4 answers
2. asked by megan
3. 1,863 views
How can I evaluate the expression below without using calculator?cos15*2sin15 Thank you!
1. 7 answers
2. asked by Anonymous
3. 634 views
Evaluate.1. sin^-1(-1/2) 2. cos^-1[(-root 3)/2] 3. arctan[(root3)/3] 4. cos(arccos2/3) 5. arcsin(sin 2pi) 6. sin(arccos 1)
1. 3 answers
2. asked by anonymous
3. 600 views
Write the expression as the sine, cosine, or tangent of an angle.cos 0.96 cos 0.42 + sin 0.96 sin 0.42 Is this cos 0.54?
1. 2 answers
2. asked by Anonymous
3. 550 views

Evaluating Trigonometric Expressions

Pages