CPM Homework Help : A2C Problem 9-46

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Home > A2C > Chapter Ch9 > Lesson 9.1.2 > Problem 9-46

9-46.

For each equation, find two solutions $0° ≤ θ \lt 360°$ , which make the equation true. You should not need a calculator.

$\operatorname { sin } \theta = \frac { 1 } { 2 }$
Answer (a):
$30° \text{ and } 150°$

$\operatorname{tan}θ =\sqrt { 3 }$
Partial Answer (b):
$60° \text{ and }?$

$\operatorname{cos}θ =\frac { \sqrt { 3 } } { 2 }$
Patial Answer (c):
$30° \text{ and }?$

$\operatorname { sin } \theta = - \frac { \sqrt { 2 } } { 2 }$
Partial Answer (d):
$225° \text{ and } ?$

Compute without a calculator

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