Suraj Asked a Question
December 3, 2020 4:41 pmpts 30 pts
Can you check the answer for this question to confirm cosh(x)=e^x + e^-x ÷ 2 but they have converted e^2x + e^-2x ÷ 2 = cosh(x).
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  • Anuj s. thankyou
    solution
    • cropped789194556.jpg
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