SOLUTION: Please help me answer this and give some explanations for easy understanding..
Given:
sin= -4/5
pi< theta < 3pi/2,
Find sin2theita and sin theita/2.
Pls. reply as soon as
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-> SOLUTION: Please help me answer this and give some explanations for easy understanding..
Given:
sin= -4/5
pi< theta < 3pi/2,
Find sin2theita and sin theita/2.
Pls. reply as soon as
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Question 782130: Please help me answer this and give some explanations for easy understanding..
Given:
sin= -4/5
pi< theta < 3pi/2,
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! If sin(theta) = -4/5
and pi< theta < 3pi/2
Then cos(theta) = -3/5
sin(2theta) = 2sin(theta)cos(theta) = 2(-4/5)(-3/5) = 24/25
If you need more help with similar questions you can contact me now at:
mthman@gmail.com
Thanks
