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Unit Standard 5268G
Practice Assessment
Element 1
• Reciprocal and Inverse relationships• Pythagorean identities• Compound Angle formulae• Sum and Product formulae
Reciprocal and inverse relationships
• Evaluate the following (give your answer to 3 significant figures).
You can give the answer in exact form or to 3 significant figures).
1(b)
1(b)
Question 2
• Find the exact value of each of the following:
Question 2
• Find the exact value means you must use the standard triangles
2(b)
2(b)
Question 3: Pythagorean identities
• Prove:
• Prove:
3(b)
3(b)
3(c)
3(c)
Question 4: Compound angles
If and
(A and B are both acute angles), evaluate .
A
817
15 B
1213
5
• Starting with the left hand side, prove
• Starting with the left hand side, prove
• Prove
Question 5: Sums and Products
• Write as a sum
Question 5: Sums and Products
• Write as a product.
• Prove
• Give the general solution of
• Give the general solution of