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| 1. |
If sin θ +sin² θ=1, then cos²θ + cos⁴ θ=______. |
| Answer» 1 is the answerStep-by-step EXPLANATION:sin+sin^2=1sin=1-sin^2sin=cos^2............................(1)USING EQ (1)cos^2+cos^4=sin+sin^2 =1therefore the VALUE is 1 | |