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| 1. |
If sin theta is equal to 1/2 then find the value of cos theta |
| Answer» ROOT 3/2 (root over 3 only)Step-by-step EXPLANATION:we know, sin^2 THETA + cos^2 theta = 1(1/2)^2 + cos^2 theta = 11/4 + cos^2 theta = 1cos^2 theta = 1 - 1/4cos^2 theta = 3/4cos theta = root 3/2 | |