1. (1+cos θ) / sin θ
2. (1-cos θ) / sin θ
3. (1+sin θ) / cos θ
4. (1-sin θ) / cos θ
(1+cos θ) / sin θ
1. 0
2. 1
3. -1
4. 2
0
1. π/12
2. π/10
3. π/5
4. π/2
π/12
1. (2 sin θ cos θ)/ (cos θ+ sin θ)
2. (2 sec θ cosec θ)/ (cosec θ+ sec θ)
3. (2 tan θ cot θ)/ (cot θ+ tan θ)
4. (2 cos θcot θ)/ (cot θ+ cos θ)
(2 sin θ cos θ)/ (cos θ+ sin θ)
1. (1+cos θ)/(1-cos θ)
2. (1-cos θ)/(1+cos θ)
3. (1+sin θ)/(1-sin θ)
4. (1-sin θ)/(1+sin θ)
(1-cos θ)/(1+cos θ)
1. (1/3)(4√2+1)
2. (1/3)(4√2-1)
3. (1/3)(2√2-1)
4. (1/3)(3√2-1)
(1/3)(4√2-1)
1. -2
2. 3
3. 5
4. 8
5