IBSL1 Non-Right Angled Trigonometry (Chapter 8) | Baamboozle - Baamboozle

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What is the sine of pi/2 degrees? NO CALC

sqrt(4)/2 = 2/2 = 1

What is the sine of 30 degrees? NO CALC

sqrt(1)/2 = 1/2

What is the cosine of 60 degrees? NO CALC

sqrt(1)/2 = 1/2

What is the cosine of 45 degrees? NO CALC

sqrt(2)/2

What is the sine of 45 degrees? NO CALC

sqrt(2)/2

When's Ms. Czopek's Birthday?

Oct 2nd

What is Ms. Czopek's kitten's name?

Simba

Find the area of a triangle with sides b = 7.6 m, c = 9.3 m, and angle A = 111 degrees

33 square m

Find the area of a triangle with sides a = 7 km, c = 8 km, and angle B = 30 degrees

14 square km

Find the area of a triangle with sides a = 6 cm, b = 9 cm, and angle C = 83 degrees

26.8 square cm

Find the obtuse angle whose cosine is the negative of: 84 degrees

96 degrees

Find the obtuse angle whose cosine is the negative of: 19 degrees

161 degrees

Find the acute angle which has the same sine as: 165 degrees

15 degrees

Find the acute angle which has the same sine as: 120 degrees

60 degrees

Find Cos C, if a = 8, b = 6, and c = 12

-44/96 = -11/24 = -0.45833_

Find Cos A, if a = 3, b = 6, and c = 7

76/84 = 19/21 = 0.9047619

Find Cos B, if a = 4, b = 6, and c = 8

44/64 = 11/16 = 0.6875

What is the Law of Sines?

sin A / a = sin B / b = sin C / c

What is the Law of Cosines? State all 3 versions.

a^2 = b^2 +c^2 -2bc cosA, b^2 = a^2 + c^2 -2ac cosB, c^2 = a^2 +b^2 - 2ab cos C

Given B = 21 degrees, C = 48 degrees, and a = 6.4 cm, find c.

5.09 cm

Given A= 82 degrees, C = 25 degrees, and c = 34 cm, find b.

76.9 cm

Given A= 63 degrees, B = 49 degrees, and b = 18 cm, find a.

21.3 cm

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