Draw each triangle in the proper quadrant Label the parts of each triangle a. Given: sinα= 2/5 and sinβ= 5/7 . α and β are acute angles. Solve for i. tan (α-β). ii. cot (α-β). iii. sec (α-β). iv. sin2α v. cos(β/2)

Draw each triangle in the proper quadrant Label the parts of each triangle a. Given: sinα= 2/5 and sinβ= 5/7 . α and β are acute angles. Solve for i. tan (α-β). ii. cot (α-β). iii. sec (α-β). iv. sin2α v. cos(β/2)

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter11: Introduction To Trigonometry

Section11.CT: Test

Problem 14CT: In a right triangle with acute of measures and , cos =ac. Find the following values in terms of the...

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Question

Draw each triangle in the proper quadrant Label the parts of each triangle
a. Given: sinα= 2/5 and sinβ= 5/7 . α and β are acute angles.

Solve for

i. tan (α-β).
ii. cot (α-β).
iii. sec (α-β).
iv. sin2α
v. cos(β/2)

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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