If A is between 270degrees

What are the values of the trigometric functions;The choices are 1, -1, 0, undefined. tan(-270degrees) answer: undefined
1. 2 answers
2. asked by raven 31791
3. 598 views
THE EXACT VALUE OF:tan 270degrees
1. 1 answer
2. asked by 1133907
3. 27 views
5sin^2 270degrees -3cos180degrees-tan(-180degrees)i got -2 but I'm not sure if i did it right?
1. 1 answer
2. asked by Davis
3. 456 views
Rotate the point 5, 8 counterclockwise 270degrees
1. 1 answer
2. asked by Bob
3. 26 views
If A is between 270degrees and 360degrees, and cos A=12/13, find the exact value of:sin2a, cos2a, sin1/2a, cos1/2a
1. 2 answers
2. asked by Bob
3. 1,169 views
Prove the following trigonometric identities(i)(1+cotx)^2 +(1-cotx)^2=2cosec^2x (ii)cos(270degrees+theta)/cos(360degrees -theta)
1. 1 answer
2. asked by tembo
3. 1,413 views
at which of following values is sin 0 negative?sin0=0degrees sin0=90degrees sin0=270degrees sin0=120degrees
1. 1 answer
2. 99 views
The point p (-1,2) is rotated to become (2,1). Describe the rotation by degree and direction.1:-270degrees rotation 2:180
1. 1 answer
2. asked by Cooper
3. 139 views