SOLUTION: Please help me answer this and give some explanations for easy understanding.. Given: sin= -4/5, pi<theita<3pi/2 Find sin2theita and sin theita/2 Pls. reply as soon as possi

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Question 782128: Please help me answer this and give some explanations for easy understanding..
Given:
sin= -4/5, pi Find sin2theita and sin theita/2
Pls. reply as soon as possible >_<

Answer by oscargut(2103)   (Show Source): You can put this solution on YOUR website!
Hi, can you clarify the question ? i do not see some symbols
If you need more help with similar questions you can contact me now at:
mthman@gmail.com
Thanks

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