Sin^2(π\8+A/4)-sin^2(π\8-A/4)=1/√2sinA/2

If cotA=3/4find the value of 2sinA-3cosA ÷2sinA - 3cosA.
1. 1 answer
2. asked by Anonymous
3. 621 views
Prove that. √seca+2sina/seca-2sina=Sina+cosa/sina-cosa
1. 2 answers
2. asked by Aditya
3. 1,038 views
Sin^2(π\8+A/4)-sin^2(π\8-A/4)=1/√2sinA/2
1. 2 answers
2. asked by Manoj gupta
3. 180 views
FindA if (2sinA\2)squared=2
1. 2 answers
2. asked by Rachel
3. 415 views
x=2cosa-cos2a,y=2sina-sin2a
1. 0 answers
2. asked by Anonymous
3. 953 views
2sinA+5cosA=4. Prove that cosA=1/2
1. 1 answer
2. asked by Shambu
3. 679 views
prove that 2sinA + 1 / cosA+sin2A=secA
1. 1 answer
2. asked by cindy
3. 885 views
IfA=340°, prove that2sinA/2 = -(v1+sinA) + (v1-sinA)
1. 1 answer
2. asked by Kewal
3. 990 views
M=sina+cosaN=seca+coseca M^2/2M^2-N^2=cosa^2/2-2sina^2-coseca^2
1. 1 answer
2. asked by Arshad
3. 201 views