Which statement is true? tan 60° = sec 30° cOS 18° = sin 72 sec 40° = sin 50° cos 55° = CSC 35°

asked Sep 9, 2021 190k views

5 votes

Which statement is true?

tan 60° = sec 30°
cOS 18° = sin 72
sec 40° = sin 50°
cos 55° = CSC 35°

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2 votes

The first one is true I think

Eylen answered Sep 15, 2021