Find the T Such That 0 ≤ T ≤ π $\left( - \frac { 2 \pi } { 3 } \right)$

question 108

Multiple Choice

Find the t such that 0 ≤ t ≤ π and cos t = cos $\left( - \frac { 2 \pi } { 3 } \right)$ .

• A) \(\frac { \pi } { 3 }\)
• B) - \(\frac { \pi } { 3 }\)
• C) \(\frac { 2 \pi } { 3 }\)
• D) \(\frac { \pi } { 6 }\)
• E) none of these

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