## Related questions with answers

Question

Let

$\sin t = a , \cos t = b , \text { and } \tan t = c.$

Write each expression in terms of a, b, and c.

$4 \cos ( - t ) - \cos t$

Solutions

VerifiedSolution A

Solution B

Answered 2 years ago

Step 1

1 of 3Let $\cos t = b$, and write the expression $4 \cos(-t)- \cos t$ in terms of $b$.

Answered 2 years ago

Step 1

1 of 34 cos (-t) - cos t = 4 cos t - cos t

Using trig identity cos (-t) = cos (t)

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