2 years ago

(40 points)

Mathematics

2 answers:

garik1379 [7]2 years ago

8 0

Answer:

${ \sec}^{2} x - { \tan}^{2} x = 1 \\ \\ { \sin}^{2} x + { \cos }^{2} x = 1$

Nady [450]2 years ago

4 0

Answer:

sec²x - tan²x = 1

sin²x + cos²x = 1

These two among the following are correct trigonometric identities.

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of = multiply

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