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| 1. |
Given that }\operatorname{sin}θ+2\operatorname{cos}θ=1, then prove that }2\operatorname{sin}θ-\operatorname{cos}θ=2 |
| Answer» Given that }\operatorname{sin}θ+2\operatorname{cos}θ=1, then prove that }2\operatorname{sin}θ-\operatorname{cos}θ=2 | |