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| 1. |
If xsin^3 teta + ycos^3 teta = sin teta × cos teta and xsin teta = ycos teta, then show that x^2 + y^2 = 1 |
| Answer» If xsin^3 teta + ycos^3 teta = sin teta × cos teta and xsin teta = ycos teta, then show that x^2 + y^2 = 1 | |