Simplify (sin^2)(67.5deg) - (cos^2)(67.5deg) and

Simplify (sin^2)*(67.5deg) - (cos^2)*(67.5deg) and then evaluate exactly.
1. 4 answers
2. asked by Max
3. 609 views
solve the triangle.B=77.0deg b=13.95 a=20.6 I got A=38.5deg C=64.5deg c=34.55
1. 1 answer
2. asked by yes
3. 384 views
Use a sum or difference identity to find the exact value.tan 25deg + tan 5deg / 1-tan 25deg tan 5deg
1. 1 answer
2. asked by tony
3. 1,205 views
Find the component form for vector v with the given amplitude and direction angle theta.|v|=20.6, theta=102.5deg
1. 1 answer
2. asked by Sam
3. 705 views
A spherical ball is rolling down a slope with an inclination angle of 5deg.How do you calculate the Coefficient of the moment of
1. 0 answers
2. asked by Shiew
3. 271 views
Write the function in terms of the cofnction with an acute angle.tan 18degrees A. sec18deg B. cot18deg C. cot72deg D. cot108deg
1. 2 answers
2. asked by y912f
3. 614 views
a one brick thick wall of 10cm thickness has temperatures 40deg C and 5deg C at the surfaces. if the thermal conductivity of the
1. 1 answer
2. asked by ridhi
3. 599 views
simplifying square roots1) find volume of this prism? v=bwh b=√12" w=√6" h=√8" 2)simplify: √576 3)simplify: √400
1. 3 answers
2. asked by anonymous
3. 1,304 views
Simplify 8a − 2a.Simplify 12e − 5f − 7e +3f. Simplify 9x + 3y − 6 − 5x + 4y −3. Simplify 9/11z − 4/11z. Simplify
1. 4 answers
2. asked by myworldwha
3. 740 views
simplifying square roots1) find volume of this prism? v=bwh b=√12" w=√6" h=√8" 2)simplify: √576 3)simplify: √400
1. 3 answers
2. asked by anonymous
3. 1,428 views

Simplify (sin^2)*(67.5deg) - (cos^2)*(67.5deg) and

Simplify (sin^2)(67.5deg) - (cos^2)(67.5deg) and