SOLUTION: Find the amplitude and period of: 2 cos4t+ 5 sin4t, show steps.

SOLUTION: Find the amplitude and period of: 2 cos4t+ 5 sin4t, show steps.

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Question 351524: Find the amplitude and period of: 2 cos4t+ 5 sin4t, show steps.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Look at

Solve for and .
Comparing terms,

.
.
.
If , then

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.

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Amplitude :
Period:

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