Trigonometric Equations and Identities

Welcome to the "Trigonometric Equations and Identities" category on Questions LLC! Whether you are a beginner seeking to understand the fundamentals of trigonometry or an advanced learner looking to delve deeper into the intricacies of trigonometric equations and identities, this category is specially designed to address your queries. Here, you will find a collection of questions and answers pertaining to trigonometric equations, solving trigonometric identities, simplifying expressions, and unraveling the mysteries of trigonometric functions. Explore this category to unravel the secrets of trigonometry and enhance your understanding of these powerful mathematical tools. So, dive in, ask your questions, and get ready to unlock the fascinating world of trigonometric equations and identities!

Questions (23)

sin x + cos x-------------- = ? sin x sin x cos x ----- + ----- = sin x sin x cos x/sin x = cot x this is what i got, the
1. 3 answers
2. asked by Anna
3. 664 views
How do you verify:1.) sinxcosx+sinx^3secx=tanx 2.) (secx+tanx)/(secx-tan)=(secx+tanx)^2 I tried starting from the left on both
1. 1 answer
2. asked by Corin
3. 745 views
sinA+cosA=p ,secA+cosecA=q (cosA)^2/[2-2(sinA)^2-(cosecA)^2]=p^2/(2(p^2)-q^2
1. 4 answers
2. asked by yousuf
3. 1,813 views
a) Express f(theta) = 4cos theta - 6sin theta in the form r cos(theta + alpha)b) Hence find the general solution of the equation
1. 4 answers
2. asked by Becky
3. 1,202 views
if cos 2theta=1/3 and 0 less than or equal to 2theta less than or equal to pi, find cos theta
1. 3 answers
2. asked by Cadie
3. 1,026 views
6)Given that cos a=5/13 and that 270°<or=a<or=360°,evaluate tan a+sin a7)If tan titre=12/5 and titre is reflex,find the value
1. 1 answer
2. asked by Maggie.K
3. 62 views
If cosx=(1/2 + (2^1/2)/2)^1/2 and sinx=-(1/2 - (2^1/2)/2)^1/2 0<x<2pi. It follows that 2x=kpi. The value of k is:
1. 4 answers
2. asked anonymously
3. 68 views
If sin2x=7/25, siny=-2/sq root of 13, cot y>0, and -pi/4<x<pi/4, find sin(2y-a)
1. 3 answers
2. asked by Liv
3. 404 views
reiny, am i doing it right ??AB = 12.57(sin 54.23)/sin 57.36 = 12.11
1. 1 answer
2. asked by alex
3. 274 views
(1+sec 2A) (1+sec4A) (1+sec8A) = tan8AcotA
1. 1 answer
2. asked by Anonymous
3. 455 views
if acos^3x+3acos.sin^2x=masin3x+3acos^2x.sin=n proof that-(m+n)^2/3+(m-n)^2/3=2a^2/3
1. 1 answer
2. asked by mridul
3. 299 views
If sin theta=24 divide by 25 and theta is acute..make use of a diagram to determine the value of 7(tanø-secø)
1. 2 answers
2. asked by Thembisile
3. 872 views
1. If tan�θ = –√3 , what is the value of cot� ?2. Find the value of 3sec2.4. (Round to the nearest tenth.) 7. if �θ is a
1. 3 answers
2. asked by Stan
3. 615 views
if cosθ=2/3 and tanθ<0 find the exact valuesin(θ-5π/3) sin2θ cos2θ cos(θ/2) can some1 please help me?
1. 2 answers
2. asked by Yulieth
3. 830 views
I need help on these problems they are from my study guide and i don't have a clue on how to do these 3 problems and if anyone
1. 3 answers
2. asked by K.C
3. 446 views
a.)Find sin 4x if tan=0.6b.) Solve: sinxsinx/2=1-cosx(0<x<2*pie
1. 1 answer
2. asked by Angela
3. 416 views
1) Find the exact value of cos 105 degrees by using a half-angle formula.2)Find the solution of sin 2theta = cos theta if 0
1. 3 answers
2. asked by Lucy
3. 1,659 views
tan 39°=40/AP, So AP =40/tan. in triangle AQP, angle Q= 60/sin 91°=AP/SinQ. Then bearing of Qfrom P = 30° 180°-(91 angle Q).
1. 2 answers
2. asked by Vin Mwale
3. 713 views
um take home test...i have no idea what im doingalways sometimes never 1. sin2x=2sinx 2. cos (pie/3+x)=-sinx 3. if tan x=3 and
1. 1 answer
2. asked by allison
3. 646 views
how do I solve these?(Tan^2ө)(Cos^2ө)+ (cot^2ө)(sin^2ө) The answer is supposed to be one but I don't know how to get it.
1. 3 answers
2. asked by kayla
3. 486 views
Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0Find: cosx tanx
1. 1 answer
2. asked by kudu
3. 439 views
Find the maximum value of |r| and any zeros of r. (Assume 0 ≤ θ < 2π. Enter any zeros as a comma-separated list.)r =
1. 1 answer
2. asked by Thomas
3. 440 views
Solve the equationa) Cos (2x +35)0 = sin (3x-10)0 b) Hence, find Tan (2x +4) without using table or calculators.
1. 1 answer
2. asked by Bakari Sarai
3. 28 views