Questions LLC
Login
or
Sign Up
Ask a New Question
Trigonometry
Page 12
Questions (13,134)
Derive the identity cot² A+1= csc² A
2 answers
asked by
Anonymous
623 views
what is the domain of h(x)=.002sec(3pi(x-.25))+27?
1 answer
asked by
John
316 views
How do you simplify: -5(cot^2 theta - csc^2 theta)?
1 answer
asked by
Mike
415 views
Solve the following trig equations. Give all positive values of the angle between 0 degrees and 360 degrees that will satisfy
1 answer
asked by
anon
417 views
how do you solve for y=sinX+2. just the phase shift and period. even how to graph if anyone knows. i got stuck with this one
1 answer
asked by
Mariah
267 views
Proof the identity 1 + sin 2x/cos 2x = cos x + sin x/ cos x - sin x
1 answer
asked by
Michelle
317 views
a. Find the exact value of
sin (theta - pi/6) b. Find the exact value of cos (theta - pi/4) c. For what numbers x, -2pi less than
3 answers
asked by
Cassie
1,431 views
Given that circle A has a radius of 52 and a radii AB and AC form an angle of 132 degrees, find the exact length of BC
1 answer
asked by
Anonymous
403 views
How would you find the both primary solutions to 3cos(2x) = 2.5
1 answer
asked by
Alex
410 views
verify the identity:
1-cos^2x/1-sinx= -sinx
1 answer
asked by
Peter
346 views
Use Heron's formula:
a=46 b= 52 c= 67
1 answer
asked by
Peter
390 views
If tan theta= 3 and ð<theta< 3ð/2, find cos theta.
1 answer
asked by
Sammy
337 views
Solve:
2 cos[x-ð/8]-sqrt2=0
1 answer
asked by
Sammy
368 views
sin x= -1
1 answer
asked by
Abigail
327 views
Solve SSA:
B= 12.1 degrees b= 16 a= 23.9
1 answer
asked by
Peter
333 views
Solvetriangle ABC:
a= 12.2 c= 7.8 B= 63.5 degrees
1 answer
asked by
Adam
280 views
Solve triangle SSA:
A= 78 degrees, a= 30 b= 61
1 answer
asked by
Adam
406 views
Solve triangle ABC:
B= 60 degrees, C= 90 degrees a= 4 feet
1 answer
asked by
Adam
376 views
If tan theta= 3 and Pi<theta<3Pi/2,
find cos theta. Pi=3.141592654
1 answer
asked by
Adam
397 views
2cos[x-pi/8]-sqrt2=0
Pi=3.141592654
1 answer
asked by
Adam
419 views
Solve SSA:
B=12.1 degrees b= 15 a= 23.9
1 answer
asked by
Sean
324 views
Solve SSA:
A= 78 degrees a= 30 b= 61
1 answer
asked by
Sean
381 views
Find m < D if d=10, e=8 and m< E= 43
1 answer
asked by
MIke A
313 views
expand ( 5d-1) 4
4 answers
asked by
MIke A
344 views
Find cos(76n).
Find sec(23n)
1 answer
asked by
Anonymous
354 views
v=2(ab+bc+ca), solve for a
3 answers
asked by
Kali
325 views
A ship travels S 62 E and for 48 km and then turns and travels N 28 E for 37 km.
3 answers
asked by
Shiann
378 views
How do you solve these equations algebraically?
y=x^2+4x 2x-y=1 y=x^2+2x+3 x+y=1
1 answer
asked by
Zady
378 views
Help trig question involving discriminant?
a)Find the value of the discriminant. b)Use any method to find the real roots of the
1 answer
asked by
Tomtom
402 views
How do you solve this systems of equations algebraically?
y=x^2+4x+4 y=4x+6
1 answer
asked by
Jamas
411 views
4+29sin=12cos^2
How do you determine this
5 answers
asked by
Blair
400 views
In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm.
Find sec(θ) .
1 answer
asked by
Anonymous
318 views
Solve the equation
cotΘ-abtanΘ = a-b Answer-tanΘ=1/a or -1/b
1 answer
asked by
Kewal
366 views
Solve the equation
tan²3Θ = cot²a
1 answer
asked by
Kewal
390 views
Prove that
sin(n+1)Asin(n+2)A + cos(n+1)Acos(n+2)A = cosA
1 answer
asked by
Kewal
415 views
Simplify
sin{A + (n+1/2)B} + sin{A+(n+1/2)}
1 answer
asked by
Kewal
319 views
A freighter, streaming on course 140„a at 20 knots, is 40 nautical miles N20„aE of a submarine with a cruising speed of 25
3 answers
asked by
Anonymous
400 views
What are these things called:
-cos x = cos -x What are the rules to these trig rules? Thanks
3 answers
asked by
Trigonometry
320 views
What representations do not change the location of the given point (7,140°)?
1 answer
asked by
Kelvin
423 views
If A + B + C = 180° prove that
cos2A + cos2B – cos2C = -1 -4cosAcosBcosC
0 answers
asked by
Kewal
411 views
Solve for x,assuming x≠0:(-2/5)+(x+4/x)=1
1 answer
asked by
Joseph
349 views
If A + B + C = 180°, Prove that
Sin² (A/2) + sin² (B/2) - sin²(C/2) = 1 – 2cos (A/2) cos (B/2) sin(C/2)
1 answer
asked by
Kewal
466 views
Your altitude is 40,000 feet and you detect a target at a depression angle of 6 degrees and a range of 20 miles. what is the
3 answers
asked by
Diana
352 views
solve Sinx=Cos2x-1 for 0¡Üx<2¦Ð
1 answer
asked by
dfg
407 views
Use the basic identities to simplify
(1-sin^2 theta)/ (csc^2 theta - 1)
1 answer
asked by
John Parker
300 views
Prove: sin(A+B)+sin(A-B)/sin(A+B)-sin(A-B)=tanAcotB
1 answer
asked by
Anonymous
310 views
You are given a right triangle. The Opposit side length is 7 and the hypotenuse length is 9. What is the degree of the bigger
1 answer
asked by
Unique
282 views
You are given a right triangle. The Opposit side length is 7 and the hypotenuse length is 9. What is the degree of the bigger
3 answers
asked by
Unique
355 views
In a right triangle with ã the right angle, b = 86.5 and c = 125.8. What is â
1 answer
asked by
Cyndy
364 views
1. ((cosx)/(1 + sinx))+((1 + sinx)/(cosx))
2. ((cos(x)cot(x))/(1 - sin(x)))-1
1 answer
asked by
Lindsay
354 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (46)
Algebra
Algebra 2
Algebra/Equations
Algebraic Expressions
Angles
Angles and Distance
Angles and measurements
Angles and Triangles
Applied Mathematics
Calculus
Complex Numbers
Distance and Angles
Equations
Equations and Calculations
Equations and functions
Expressions and Equations
Forces and Motion
Functions
Geometry
Geometry and Measurement
Geometry and Navigation
Geometry and Trigonometry
Geometry or Trigonometry
Geometry/Inequality
Geometry/Mathematics
Geometry/Measurement
Graphing
Heights and Distances
Math
Math and Geometry
Mathematical Concepts
Mathematical Equations
Mathematics
Mathematics and Geometry
Mathematics or Geometry
Mathematics/Geometry
Measurement and Geometry
Physics
Physics/Mathematics
Precalculus
Right Triangle
Right triangles
Triangle
Triangle Geometry
Triangles
Vectors