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HPC WB3.4

Last updated over 5 years ago

4 questions

1

1

1

1

Question 1

1.

a) Use a sum or difference identity to find the exact value.

b) Rewrite the expression as a single sine or cosine of an angle.

c) Prove the identity by using a sum or difference formula.

Question 2

2.

a) Use a sum or difference identity to find the exact value.
b) Rewrite the expression as a single sine or cosine of an angle.

c) Prove the identity by using a sum or difference formula.

Question 3

3.

a) Use a sum or difference identity to find the exact value.
b) Rewrite the expression as a single sine or cosine of an angle.

c) Prove the identity by using a sum or difference formula.

Question 4

4.

a) Use a sum or difference identity to find the exact value.
b) Rewrite the expression as a single sine or cosine of an angle.

c) Prove the identity by using a sum or difference formula.