View Compilation Error

0_0_2378192_25245.cpp: In function `int main()':
0_0_2378192_25245.cpp:17: error: expected `,' or `;' before "cin"
0_0_2378192_25245.cpp:22: error: `point_a' undeclared (first use this function)
0_0_2378192_25245.cpp:22: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2378192_25245.cpp:24: error: `point_b' undeclared (first use this function)
0_0_2378192_25245.cpp:29: error: `theta' undeclared (first use this function)