   Chapter 11.CT, Problem 3CT ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
1 views

# Without using a calculator, find the exact value of: a) tan 45 ° _______ b) sin 60 ° ______

To determine

a.

To find:

The ratio tan 450 without using a calculator.

Explanation

Given:

The ratio tan 450.

Definition:

In a right triangle, the tangent ratio for an acute angle is the ratio opposite sideadjacent side.

Calculation:

From the given,

In a right triangle if the angles are in the ratio 450:450:900, then the sides are in the ratio x:x:x2 as in the diagram given below

To determine

b.

To find:

The ratio sin 600 without using a calculator.

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