3 years ago

Help!! Show that 1 + tan2(x) = sec2(x)

2 answers:

7 0

Answer:

tan2(x) + 1 = sin2(x)/cos2(x) + 1 = [sin2(x) + cos2(x)]/cos2(x) = 1/cos2(x) = (1/cos(x))2 = sec2(x). Thus tan2(x) + 1 = sec2(x).

Step-by-step explanation:

Anuta_ua [19.1K]3 years ago

6 0

Answer: Not an identity

Step-by-step explanation:

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Help!! Show that 1 + tan2(x) = sec2(x)​

Help!! Show that 1 + tan2(x) = sec2(x)