1. 0
2. 1
3. 2
4. 3
3
1. sin (A+B) = 1/5
2. sin (A+B) = -1/5
3. cos (A-B) = 1/5
4. cos (A+B) = -1/5
cos (A+B) = -1/5
1. 1/4
2. log3(3/4)
3. loge(3/2)
4. loge(2/3)
log<sub>e</sub>(3/2)
1. -7
2. -5
3. -3
4. 0
-7
1. a+2b
2. a+b+c
3. ab+bc+ca
4. abc
a+b+c
1. 0
2. 1
3. -3
4. 3
-3
1. X-axis
2. Y-axis
3. y = 2
4. x = 2
X-axis
1. 12
2. 3
3. 2
4. 1
12
1. 5/14
2. 3/14
3. 1/14
4. 0
5/14
1. 0
2. 2
3. 1
4. -1
0