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

Help!! Show that 1 + tan2(x) = sec2(x)​
asked 17.3k views
4 votes
Help!!
 Show that 1 + tan2(x) = sec2(x)​

asked
User TheBeardyMan
by
8.3k points

2 Answers

2 votes

Answer: Not an identity

Explanation:

answered
User Jkovacs
by
8.3k points
6 votes

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).

Explanation:

answered
User Daniel Bolanos
by
8.6k points
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