Need Help in Proving Trig Identities

  • Thread starter coolshah
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  • #2
cristo
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Well, what have you tried? You must show some work before we can help you. What happened to the homework posting template in which one is supposed to write one's attempts?
 
  • #3
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Well, what have you tried? You must show some work before we can help you. What happened to the homework posting template in which one is supposed to write one's attempts?


Dear,

i have done my other homework problems but except these two. as i stated i can't solve. Due to the fact i don't know where to start. i do know my Fundamental identities.
 
  • #4
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ok here this is what i tried after what u have said
 

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