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)

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)

Question 3: Pythagorean identities Prove:

3(b)

3(c)

Question 4: Compound angles If and (A and B are both acute angles), evaluate.

A B

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