cos 2x </ 0.8x-1.9 = O TRIGONOMETRIC IDENTITIES AND EQUATIONS Using a graphing calculator to solve...

Question

Question

cos 2x </ 0.8x-1.9

Answer 1

Answer #1

solution- Cosar <0.8x-1.g. . we know cos max and min valu - Is cos2x31 Case! cos2x51 Cuse 1: Cosau-1 Coszus Cos do px soj au

Answer 2

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