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Example Questions
Example Question #1 : Sum And Difference Identities
Use the sum or difference identity to find the exact value:
Possible Answers:
Correct answer:
Explanation:
Again, here we break up the 165 into and solve using the sin identity:
Example Question #1 : Sum And Difference Identities For Sine
Is the following equation an identity?
Possible Answers:
It cannot be determined from the given information.
No it is not an identity.
Yes it is an identity.
Correct answer:
No it is not an identity.
Explanation:
and so this is again not an identity
Example Question #2 : Sum And Difference Identities
Is the following equation an identity? ?
Possible Answers:
Yes it is an identity
The question cannot be answered based on the information provided.
No it is not an identity
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