2A/3A
solve ?


- 1/тИЪ3
- тИЮ
- тИЪ3
solve ?

- sin2╬Ш
- cosec2╬Ш
- sec2╬Ш
- sec2╬Ш.cosec2╬Ш
solve ?

- 24/25
- 21/25
- 16/25
- 18/25
solve ?

- 9/16
- 1
- 7/15
- 16/25
solve ?

- 2cos╬Ш
- cosec2╬Ш
- 2cosec2╬Ш
- 2cos2╬Ш
solve ?

- sin2A
- Cos2A
- CosA
- sinA
solve ?

- ┬╜
- ┬╝
- ┬╛
- 1/тИЪ2
Find cos215┬░ ?
- (2 + тИЪ3)/4
- (2 – тИЪ3)/4
- (2 – тИЪ3)/2
- (1 + тИЪ3)/4
solve sin75┬░ ?
- (тИЪ6 + тИЪ2)/4
- (тИЪ6 – тИЪ2)/4
- (тИЪ3 + 1)/2
- (тИЪ3 – 1)/2тИЪ2
solve┬а tan15┬░ + cot15┬░ ?
- 4
- 6
- 8
- 2
if cot ╬Ш= 3/4, find sin3╬Ш?
- 44/125
- 117/125
- 81/125
- -117/125
