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| 1. |
Sec theta +tan theta =P prove p square -1 divided by p square +1 |
| Answer» ( sec + tan )^2 - 1/ ( sec + tan )^2 + 1== sec^2 + tan^2 + 2tan sec - 1/ sec^2 + tan^2 + 2tan sec + 1== tan^2 + tan^2 + 2tan sec/ sec^2 + sec^2 + 2 ten sec== 2tan ( tan + sec )/ 2sec ( sec + tan )== tan/sec == sin | |