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Question
secondary 3 | A Maths
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Helpppp
Date Posted: 6 years ago
Views: 287
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Since we know it’s acute and there’s is trigo involved, we can use a right angle triangle. By using pythagoras theorem, we can find the other length to be square root of 8. We can then proceed to use the triangle to solve the other parts.
Date Posted:
6 years ago
Can you help with the very first qn? Cause I don't really get what u said.
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by using the triangle, we can find cosA as cos is adjacent over hypotenuse. also, cos30° is a special angle.
Date Posted:
6 years ago
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