Sine and Cosine

Welcome to Questions LLC's "Sine and Cosine" category! Whether you are a math enthusiast, a student, or simply curious about the world of trigonometry, you have come to the right place. Here, you will find a wide range of questions and discussions revolving around the fundamental concepts of sine and cosine functions. Our community of knowledgeable experts and avid learners are here to help you unravel the complexities of these fundamental principles, their properties, and their applications in various fields. Join us in exploring the beauty and practicality of sine and cosine, and feel free to ask any burning questions you may have!

Questions (12)

Which angle between 90° and 270° has the same sine value as 10°?Which angle between −180° and 0° has the same cosine
1. 5 answers
2. asked by Lyfe
3. 2,494 views
Given sin23=pDetermine the following in terms of p without using a calculator 1. Sin 67 2.tan 23 3.sin7 4.cos44
1. 4 answers
2. asked by Anonymous
3. 1,099 views
If cos (A) =0.95 and sin (B)=0.95, what can be said about A and B?
1. 3 answers
2. asked by Zoe
3. 690 views
If sin(θ) = 8/17 and θ terminates in QI, find cos(θ)
1. 3 answers
2. asked by josh
3. 2,268 views
Use a half measure identity to find the exact value..Cos t= 1/3 and 0 <t<1/2 pie find sin 1/2 t..
1. 1 answer
2. asked by rai zan
3. 397 views
given that 0 is less then or equal to theta and theta is less then or equal to pi. ans cos theta = 2/squar root of 7. Find sin
1. 1 answer
2. asked by Lilly
3. 363 views
Assume we know the following:cos(22.5 degrees)= sqrt(2+sqrt2)/2 sin(22.5 degrees)=sqrt(2-sqrt2)/2 cos(18
1. 2 answers
2. asked by Anonymous
3. 498 views
SinA =0.5cosA=?
1. 2 answers
2. asked by Ram
3. 498 views
Given that SIN Theta = -1/sqrt(10) and theta is in quadrant 4, find sin2theta and cos2theta.I'm not sure how to properly square
1. 1 answer
2. asked by Joe
3. 443 views
Suppose that sin q = − 12/13 and that q is a Quadrant IV angle.(a) Find the exact value of cos q. Show work. (b) Find the
1. 1 answer
2. asked by Brian
3. 639 views
What is the sine for an angle that has a cosine of 2/5 and is in Quadrant IV? Use the Pythagorean identity sin^2(θ)+cos^2(θ)=1
1. 1 answer
2. asked anonymously
3. 17 views
Given sine, theta, equals, minus, one halfsinθ=−2 1 and angle thetaθ is in Quadrant IV, what is the exact value of
1. 1 answer
2. asked anonymously
3. 53 views