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Mathematics, 06.10.2019 22:00 kingnatsu8638

Which of the following statements is true?
a.
sin 18° = cos 72°
b.
sin 55° = cos 55°
c.
sin 72° = cos 18°
d.
both a and c.

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Which of the following statements is true?
a.
sin 18° = cos 72°
b.
sin 55°...
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