Question Number 86358 by A8;15: last updated on 28/Mar/20
Commented by Prithwish Sen 1 last updated on 28/Mar/20
$$\mathrm{cos}^{\mathrm{2}} \mathrm{x}+\mathrm{sin}^{\mathrm{2}} \mathrm{x}\:=\:\mathrm{1} \\ $$
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Question Number 86358 by A8;15: last updated on 28/Mar/20 | ||
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Commented by Prithwish Sen 1 last updated on 28/Mar/20 | ||
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$$\mathrm{cos}^{\mathrm{2}} \mathrm{x}+\mathrm{sin}^{\mathrm{2}} \mathrm{x}\:=\:\mathrm{1} \\ $$ | ||