50 POINTS
(1-tan²(x) / sec²(x))=cos(2x)

VERIFY IF THE EXPRESSIONS ARE EQUAL

INCLUDE STE...

Mathematics, 29.01.2021 20:10 robert7248

# 50 POINTS
(1-tan²(x) / sec²(x))=cos(2x)

VERIFY IF THE EXPRESSIONS ARE EQUAL

INCLUDE STEPS

Answers: 3

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