Trigonometry (right-angled)

Mark scheme and answers · Total marks: 47

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Question 1 [1 mark]

8 cm

Mark scheme
  • A [1] — cao 8 cm

Accept algebraically equivalent correct forms.

Question 2 [2 marks]

40 cm

Mark scheme
  • A [2] — cao 40 cm

Accept algebraically equivalent correct forms.

Question 3 [2 marks]

513

Mark scheme
  • A [2] — cao 513

Accept algebraically equivalent correct forms.

Question 4 [1 mark]

8 cm

Mark scheme
  • A [1] — cao 8 cm

Accept algebraically equivalent correct forms.

Question 5 [1 mark]

7 cm

Mark scheme
  • A [1] — cao 7 cm

Accept algebraically equivalent correct forms.

Question 6 [1 mark]

67.4°

Mark scheme
  • A [1] — cao 67.4°

Accept algebraically equivalent correct forms.

Question 7 [2 marks]

53.1°

Mark scheme
  • A [2] — cao 53.1°

Accept algebraically equivalent correct forms.

Question 8 [2 marks]

45.6°

Mark scheme
  • A [2] — cao 45.6°

Accept algebraically equivalent correct forms.

Question 9 [2 marks]

73.7°

Mark scheme
  • A [2] — cao 73.7°

Accept algebraically equivalent correct forms.

Question 10 [1 mark]

8.66 cm

Mark scheme
  • A [1] — cao 8.66 cm

Accept algebraically equivalent correct forms.

Question 11 [2 marks]

12 cm

Mark scheme
  • A [2] — cao 12 cm

Accept algebraically equivalent correct forms.

Question 12 [2 marks]

15 cm and 28.1°

Mark scheme
  • A [2] — cao 15 cm and 28.1°

Accept algebraically equivalent correct forms.

Question 13 [2 marks]

1213

Mark scheme
  • A [2] — cao 1213

Accept algebraically equivalent correct forms.

Question 14 [2 marks]

5 cm and 8.66 cm

Mark scheme
  • A [2] — cao 5 cm and 8.66 cm

Accept algebraically equivalent correct forms.

Question 15 [2 marks]

250 m

Mark scheme
  • A [2] — cao 250 m

Accept algebraically equivalent correct forms.

Question 16 [2 marks]

7.1°

Mark scheme
  • A [2] — cao 7.1°

Accept algebraically equivalent correct forms.

Question 17 [2 marks]

1.48 m

Mark scheme
  • A [2] — cao 1.48 m

Accept algebraically equivalent correct forms.

Question 18 [1 mark]

188.0 m

Mark scheme
  • A [1] — cao 188.0 m

Accept algebraically equivalent correct forms.

Question 19 [2 marks]

32.14 m

Mark scheme
  • A [2] — cao 32.14 m

Accept algebraically equivalent correct forms.

Question 20 [2 marks]

14.28 m

Mark scheme
  • A [2] — cao 14.28 m

Accept algebraically equivalent correct forms.

Question 21 [1 mark]

22.6°

Mark scheme
  • A [1] — cao 22.6°

Accept algebraically equivalent correct forms.

Question 22 [2 marks]

67.4°

Mark scheme
  • A [2] — cao 67.4°

Accept algebraically equivalent correct forms.

Question 23 [2 marks]

35.4 m

Mark scheme
  • A [2] — cao 35.4 m

Accept algebraically equivalent correct forms.

Question 24 [1 mark]

1

Mark scheme
  • A [1] — cao 1

Accept algebraically equivalent correct forms.

Question 25 [2 marks]

30°

Mark scheme
  • A [2] — cao 30°

Accept algebraically equivalent correct forms.

Question 26 [1 mark]

1

Mark scheme
  • A [1] — cao 1

Accept algebraically equivalent correct forms.

Question 27 [1 mark]

1

Mark scheme
  • A [1] — cao 1

Accept algebraically equivalent correct forms.

Question 28 [1 mark]

1

Mark scheme
  • A [1] — cao 1

Accept algebraically equivalent correct forms.

Question 29 [1 mark]

45°

Mark scheme
  • A [1] — cao 45°

Accept algebraically equivalent correct forms.

Question 30 [1 mark]

1

Mark scheme
  • A [1] — cao 1

Accept algebraically equivalent correct forms.