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Type: Posts; User: starkiller

1. ## Thread: Need help with a problem: arcsin(x-1/2)-arccos(x-1/2)=3pi/2

by starkiller
Replies
6
Views
393

### thanks for pointing me in the right direction,...

thanks for pointing me in the right direction, appreciate that. i'm sure the solution is apparent, but i still can't, for the life of me, figure it out. what does sin(a-b)=-1 give us?
2. ## Thread: Need help with a problem: arcsin(x-1/2)-arccos(x-1/2)=3pi/2

by starkiller
Replies
6
Views
393

### no i've copied it just fine and the answer is...

no i've copied it just fine and the answer is -1/2. i could guess that based on the answer options but i can't figure out an actual way to solve it
3. ## Thread: Need help with a problem: arcsin(x-1/2)-arccos(x-1/2)=3pi/2

by starkiller
Replies
6
Views
393

### Need help with a problem: arcsin(x-1/2)-arccos(x-1/2)=3pi/2

arcsin(x-1/2)-arccos(x-1/2)=3pi/2

not really familiar with formatting on this site, but here's the problem. is there a formula i could perhaps use??
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