IloveCharlie
Please help!
cos67degrees 30'= ?
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muhammad9t5
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0.890
IloveCharlie
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Thanks!
muhammad9t5
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You are welcome.
IloveCharlie
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\[a. \sqrt{2-\sqrt{2}} \]
\[b. \sqrt{2+\sqrt{2}}/2\]
\[c. \sqrt{2+\sqrt{2}}\]
\[d. \sqrt{2-\sqrt{2}}/2\] @muhammad9t5 Your answer doesn't match with the options :/
muhammad9t5
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wait
muhammad9t5
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can you post screenshot of question?
IloveCharlie
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b. \[(\sqrt{2+\sqrt{2}})/2\]
d. \[(\sqrt{2-\sqrt{2}})/2\]
IloveCharlie
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Sorry, I messed those two up
waterineyes
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\[67^{\circ} 30' = 67 + \frac{1}{2} \implies (\frac{135}{2})^{\circ}\]
waterineyes
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Is there only one cos in your question @IloveCharlie
muhammad9t5
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you can check that b is a nearly answer.
IloveCharlie
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Yes, @waterineyes, only one cos
IloveCharlie
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Can I get more help for this one? sin67degrees 30'= a., b., c., or d.?
IloveCharlie
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@muhammad9t5 @waterineyes
muhammad9t5
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yes
muhammad9t5
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is the answer 1.42?
IloveCharlie
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Can you please show me how you got that?
muhammad9t5
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yes
sin67+30/60
0.920+1/2
0.920+0.5=1.42
IloveCharlie
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and that matches with? :/ sorry
muhammad9t5
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that's confusing me too.
IloveCharlie
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:(
IloveCharlie
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Do you know what 1.42 matches with? a., b., c., or d.? I can't figure it out @waterineyes
IloveCharlie
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?
IloveCharlie
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Ok... well... I guess I'll close the question then
IloveCharlie
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Thanks guys