Course home

1.5 Trigonometry

Question 6

A vertical mast $TM\,$ stands on level horizontal ground, with $M\,$ at ground level.

From a point $A\,$ on the ground, the angle of elevation of the top of the mast $T\,$ is $28°$ .

From a point $B$ , which is 40 m from $A\,$ and lies on the straight line $AM\,$ between $A\,$ and $M$ , the angle of elevation of $T\,$ is $47°$ .

Find the height of the mast, giving your answer to 3 significant figures.

[5]

State one modelling assumption you have made.

[1]

Markscheme

1.5 Trigonometry Questions

A Level
Maths
1.5 Trigonometry

97 exam-style questions on WJEC A Level Maths 1.5 Trigonometry, covering 1.5.1 Trigonometry, 1.5.2 Trigonometry, 1.5.3 Trigonometry, 1.5.4 Trigonometry, and 1.5.5 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

1.5 Trigonometry

Question bank

1.5 Trigonometry

Easy Medium Hard

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Question 6

A vertical mast $TM\,$ stands on level horizontal ground, with $M\,$ at ground level.

From a point $A\,$ on the ground, the angle of elevation of the top of the mast $T\,$ is $28°$ .

From a point $B$ , which is 40 m from $A\,$ and lies on the straight line $AM\,$ between $A\,$ and $M$ , the angle of elevation of $T\,$ is $47°$ .

Find the height of the mast, giving your answer to 3 significant figures.

[5]

State one modelling assumption you have made.

[1]

Markscheme

1.5 Trigonometry Questions

A Level
Maths
1.5 Trigonometry