Question

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prove that
sec²x-tan²x=1

by triangle formula​

Answer 1

Step-by-step explanation:

The properties of a right triangle give us the following identities: sin²x + cos²x = 1. (From this identity we also get sin²x =1 – cos²x and cos²x = 1-sin²x) tan²x + 1 = sec²x. cot²x + 1 = csc²x.

Answer 2

Step-by-step explanation:

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