#### Answer

$2\left( 1+\sin t\right) $

#### Work Step by Step

$\left( 1+\sin t\right) ^{2}+\cos ^{2}t=1+2\sin t+\sin ^{2}t+\cos ^{2}t=2+2\sin t=2\left( 1+\sin t\right) $

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$2\left( 1+\sin t\right) $

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