Math Jeopardy- Trigonometry

Beginners

100

what are the three trigonometrical ratios?

Sine, Cosine, Tangent

200

Adjacent/Hypothenuse

Cosine

300

What is the Pythagoras Theorem?

C² = a² + b²

400

Evaluate Sin30 

0.5

500

Evaluate cos^-1(0.866) to the nearest Degree

30^o

Intermediate

100

A write angle triangle has complementary angles

True

200

Complementary angles has a sum of

90⁰

300

Evaluate the sin^-1(7/12) (3 s.f.)

35.7^o

400

Trig Ratios are used when given 1 side and an angle and you want to find the other side.

True

500

Evaluate Cos35 = A/65m correct to 2 d.p.

53.24^o

Advanced

100

Define Trigonometry

The study of a three side object(triangles)

200

If in a right angle triangle, Lengths for both sides are given, then to find the third length, what is the best method to use

Pythagoras Theorem

300

A ladder 20 m long, is leaning against a wall. Calculate, correct to 1 d.p, how far the foot of the ladder is from the wall, if the angle between the ground and the foot of the ladder is 67⁰

7.8