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Simplify this expression: cos t(sec t − cos t) A. cos2t B. 1 − tan2t C. 1 + tan2t D. sin2t
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Simplify this expression: cos t(sec t − cos t)

A.
cos2t

B.
1 − tan2t

C.
1 + tan2t

D.
sin2t

User Kevin Brey
by
8.1k points

1 Answer

5 votes

Answer:

D

Explanation:

(cos t) (sec t − cos t)

1 − cos² t

sin² t

User Uptownnickbrown
by
8.0k points
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