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Prove that
tan A+secA-1
1+sin A
–

tanA-secA+1
COS A​

By Josie

Prove that
tan A+secA-1
1+sin A
–

tanA-secA+1
COS A​

About the author
Josie

3.
Which of the following numbers are perfect squares?
100, 205000, 3610000, 212300000​

Jenny’s room is 13 feet long and 12 feet wide. Ruth’s room is 14 feet long and 11 feet wide. Whose room has the greater perimeter

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