1. Given that a right triangle has sin 0 = 0.5. Find another two sides of length if hypotenuse length is 5 cm. 2. Given that a right triangle has two side length 5 cm and 8 cm. Find the length of hypotenuse and every angle.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter5: Similar Triangles
Section5.6: Segments Divided Proportionally
Problem 42E
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Answer ALL questions
1.
Given that a right triangle has sin 0 = 0.5. Find another two sides of length if hypotenuse
length is 5 cm.
2.
Given that a right triangle has two side length 5 cm and 8 cm. Find the length of hypotenuse
and every angle.
3.
Given that a right angle triangle has sec 0 = 2. Find the ratio of the length at each side of
triangle.
4.
Solve the triangle ABC and find the area of triangle ABC given that:
a.
B = 50°, c = 4 cm, a = 5 cm
e.
A = 20⁰,b=10 cm, a = 6 cm
b.
A = 30°, b= 10 cm, a = 6 cm
f.
A = 34°,b=20.8 cm, a = 12.4 cm
C.
A = 30°, b = 10 cm, C = 40°
g.
C = 45°,b= 12 cm, c = 10 cm
d.
B = 50°, c = 8 cm, a = 5 cm
h.
a = 13 cm, b= 14 cm, c = 16 cm
5.
Using identity cosec²x-cot² = 1, find the exact value of cotx if cosecx-cotx=3.
6.
Simplify each of the following questions.
a.
(secx + tanx) (see x-tan.x)
b.
sin 2x cosx + cos2x sin x
C.
cos 70° cos10° + sin 70° sin 10°
Prove that
a.
sin (A + B)
tan A + tan B
cos Acos B
b.
sin² x cos y-cos² x sin² y=sin² x-sin² y
7.
Transcribed Image Text:Answer ALL questions 1. Given that a right triangle has sin 0 = 0.5. Find another two sides of length if hypotenuse length is 5 cm. 2. Given that a right triangle has two side length 5 cm and 8 cm. Find the length of hypotenuse and every angle. 3. Given that a right angle triangle has sec 0 = 2. Find the ratio of the length at each side of triangle. 4. Solve the triangle ABC and find the area of triangle ABC given that: a. B = 50°, c = 4 cm, a = 5 cm e. A = 20⁰,b=10 cm, a = 6 cm b. A = 30°, b= 10 cm, a = 6 cm f. A = 34°,b=20.8 cm, a = 12.4 cm C. A = 30°, b = 10 cm, C = 40° g. C = 45°,b= 12 cm, c = 10 cm d. B = 50°, c = 8 cm, a = 5 cm h. a = 13 cm, b= 14 cm, c = 16 cm 5. Using identity cosec²x-cot² = 1, find the exact value of cotx if cosecx-cotx=3. 6. Simplify each of the following questions. a. (secx + tanx) (see x-tan.x) b. sin 2x cosx + cos2x sin x C. cos 70° cos10° + sin 70° sin 10° Prove that a. sin (A + B) tan A + tan B cos Acos B b. sin² x cos y-cos² x sin² y=sin² x-sin² y 7.
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