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| 1. |
A+C =3π/4 than (1+cotA)(1+cotC) equals |
| Answer» (1+cot(3π/4-C)(1+cotC)(1+cot(π-π/4-C)(1+cotC)(1+cot(π/4+C)(1+cotC)1+1/tan(π/4+C))(1+1/tanC)(1+1-tanC/1+tanC)(1+1/tanC)(2cotC)(1+cotC) | |