Shape and Space 3
2 marks · EasyCalculate the value of tan 45°. Give your answer to 3 significant figures.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
1.00 (±0.01)
Also accept: 1
Common mistakes: 0.45; 45
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Uses a calculator or knowledge of exact values for tan 45°.
A1 · 1 mark · Gives correct answer 1.00 (to 3 significant figures).
Worked solution
So, tan 45° = 1.00 (to 3 significant figures).