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

Algebra ->  Trigonometry-basics -> 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      Log On


   

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) About Me  (Show Source):
You can put this solution on YOUR website!
Hi, can you clarify the question ? i do not see some symbols
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mthman@gmail.com
Thanks