Need help on this trigonometry question

[Need math help]

Hi, I need help on question 3b from the word document attached. Please help me solve this and explain to me why it is. Thank you.

 

[MarkFL]

Hello, and welcome to FMH!

What is the question?

 

[Steven G]

After stating your question can you please tell us where you are lost? You should also show us your work so we can see where you need help, what level you are at and what theorem you are allowed to use.

 

[mmm4444bot]

… question 3b from the word document attached …

Hello. Something went wrong with the attachment; there is no text document attached (only the image). Please type out the question and its instructions, instead, by adding another post.

Check out the forum's submission guidelines, too. Thank you!

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