-
The value of 
sinθ + sinφ + cosθ − cosφ 
is : cosθ + cosφ sinθ − sinφ
-
- 1
- 2
- 1/2
- 0
Correct Option: D
| Expression = | + | ||
| cosθ + cosφ | sinθ - sinφ |
| = | |
| (cosθ + cosφ)(sinθ - sinφ) |
| = | |
| (cosθ + cosφ)(sinθ - sinφ) |
| = | |
| (cosθ + cosφ)(sinθ - sinφ) |
| = | = 0 | |
| (cosθ + cosφ)(sinθ - sinφ) |
