The solutions of the equation 4 cos^2⁡〖x+6 sin^2⁡〖x=5〗 〗 are | NIMCET 2022 | Impetus Gurukul
Channel: IMPETUS GURUKUL
Date: 2023-02-20

The solutions of the equation 4 cos^2⁡〖x+6 sin^2⁡〖x=5〗 〗 are
(a) x=nπ±π/4 (b) x=nπ±π/3
(c) x=nπ±π/2 (d) x=nπ±2π/3
Ans: a

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