Find T Such That - $\frac { \pi } { 2 }$

question 18

Multiple Choice

Find t such that - $\frac { \pi } { 2 }$ ≤ t ≤ $\frac { \pi } { 2 }$ and sin t = sin $\left( \frac { 3 \pi } { 4 } \right)$ .

• A) \(\frac { \pi } { 2 }\)
• B) \(\frac { \pi } { 4 }\)
• C) \(\frac { \pi } { 6 }\)
• D) - \(\frac { \pi } { 3 }\)
• E) none of these

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