Determine All Solutions of the Equation in Radians $\cos ( s + t )$

question 42

Multiple Choice

Determine all solutions of the equation in radians.
-Find $\cos ( s + t )$ given that $\cos s = \frac { 1 } { 3 }$ , with $s$ in quadrant $I$ , and $\sin t = - \frac { 1 } { 2 }$ , with $t$ in quadrant IV.

• A) \(\frac { 2 \sqrt { 6 } + 1 } { 6 }\)
• B) \(\frac { \sqrt { 3 } - 2 \sqrt { 2 } } { 6 }\)
• C) \(\frac { 2 \sqrt { 6 } - 1 } { 6 }\)
• D) \(\frac { \sqrt { 3 } + 2 \sqrt { 2 } } { 6 }\)

Recognize the effects of weathering on landscape formation and development.

Explain how weathering contributes to soil formation and influences soil characteristics.

Understand the role of water in the chemical weathering process.

Describe how climate affects weathering patterns.

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