range of sin(siny) +cos(siny)

find the range ofsin(siny)+cos(siny)
1. 0 answers
2. asked by Anonymous
3. 381 views
range ofsin(siny) +cos(siny)
1. 1 answer
2. asked by Anonymous
3. 849 views
Verify each identitysin^x+siny/sinx-siny=tan(x+y/2) (times) cot(x-y/2)
1. 0 answers
2. asked by angel
3. 498 views
Find y'(x) when cos y - y^2 = 8a) -siny - 2y b) - (1/sin y - 2y) c) 0 d) - (8/cos y - y) So if I implicitly differentiate: y'(x)
1. 2 answers
2. asked by Donna
3. 540 views
Simplify:sin(x-y)cosy+cos(x-y)siny = (sinxcosy-cosxsiny)cosy+(cosxcosy+sinxsiny)siny = ??? What do I do next??? Please Help and
1. 4 answers
2. asked by Anonymous
3. 1,420 views
How can the following two identities be verified?1. (cos^2y)/(1-siny)=1+siny 2. sin^2a-sin^4a=cos^2a-cos^4a Thanks! change
1. 0 answers
2. asked by Corin
3. 543 views
Okay, I've been getting some of these, but I can't seem to verify this identity... any help? Here's the problemSin(x+y) +
1. 2 answers
2. asked by Alex
3. 700 views
Sin(X-y)sin(x+y)=sin^2 x - sin^2 ywork on one side only...so i worked on the right =(sinx-siny)(sinx+siny) does that equal
1. 1 answer
2. asked by Alice
3. 609 views
Sin(X-y)sin(x+y)=sin^2 x - sin^2 ywork on one side only...so i worked on the right =(sinx-siny)(sinx+siny) does that equal
1. 1 answer
2. asked by Alice
3. 2,581 views
Prove that (cosy/1+siny) + (1+siny/cosy) = 2secy
1. 1 answer
2. asked by Trig
3. 1,491 views