Find the exact value ofcos

Find the exact value ofcos (u+v) given that sin u= 7/25 and cos v=−12/13. (Both u and v are in Quadrant II.)
1. 3 answers
2. asked by Jessica Maths
3. 4,325 views
1. Find the exact value of 2tan pi/12 / 1-tan^2 pi/12root 3/3? 2. Given tanθ = -1/3 and with θ in quadrant IV, find the exact
1. 2 answers
2. asked by mysterychicken
3. 1,126 views
If tan theta=3/4 then find the value ofcos^2 theta - sin ^2 theta
1. 1 answer
2. asked by Diya
3. 411 views
4. Find the exact value for sin(x+y) if sinx=-4/5 and cos y = 15/17. Angles x and y are in the fourth quadrant.5. Find the exact
1. 3 answers
2. asked by Tiffany Enlow
3. 3,970 views
1. Find the exact value of sin(195(degrees))2. If cot2(delta)=5/12 with 0(<or =)2(delta)pi, find cos(delta), sin(delta) ,
1. 3 answers
2. asked by Michelle
3. 1,444 views
5. If cot 2�θ = 5/12 with 0 ≤ 2θ ≤ π , find cosθ, sinθ, and tanθ8. Find the exact value of sin2a if cosa = 4/5(a in
1. 1 answer
2. asked by Alonso
3. 721 views
hello, i don't quite understand how to do this type of problem:1. find the exact value of sin (pi/3). even more confusing is 2.
1. 2 answers
2. asked by brandy
3. 719 views
Find the degree measure of an angle of 3π/5 radians1.88 ° 108π 108° π/300 ° 2. find the exact values of cos (3π/4
1. 13 answers
2. asked by kiki
3. 228 views
i cant really find the exact thing on google.please a little help please,im begging youthanks help me find a exact link for laws
1. 4 answers
2. asked by hellokitty
3. 1,009 views
Find the exact value of the expression:tan−1(tan(−120651/47π)) I just don't know how to find the exact value. Any
1. 3 answers
2. asked by Dan
3. 689 views