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OpenStudy (anonymous):
HELP: For which acute angle are the sine of the angle and cosine of the angle equal? 30º 45º 60º 75º
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OpenStudy (welshfella):
Hint : they are part of an isosceles triangle which is also right-angled.
OpenStudy (anonymous):
would it be 45? @welshfella
OpenStudy (steve816):
Yes that is correct.
OpenStudy (welshfella):
yes
OpenStudy (welshfella):
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