Finding Trigonometric Values

Questions (4)

-Find sin(x+y), cos(x-y), tan(x+y) and the quadrant of x+ysinx=-3/5, cosy=-7/25, x and y in Q3
1. 3 answers
2. asked by Dana
3. 2,707 views
Find sec theta if tan theta =1/4 and 180 degrees<theta<270 degrees.Answer: sqrt17/4 Thanks
1. 1 answer
2. asked by Lucy
3. 468 views
The question was:"Given that sin theta is -1/2 and theta is in quadrant IV, find the cos and tan of theta." I found 1/2 for
1. 2 answers
2. asked by 3nd3r
3. 658 views
Find csc theta and cot theta if than theta = -4/3 and sin theta > 0
1. 1 answer
2. asked by Mita
3. 13 views