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secondary 4 | A Maths
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can anyone explain to me why am i wrong? the range for y is 0 to 360 degrees and the answers are only 101.3 and 281.3 degrees
Date Posted: 2 years ago
Views: 339
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done
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clear
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Don't overthink the question...
Date Posted:
2 years ago
but i thought some part when its for eg cos x(sinx +1) = 0 the cos x is not supposed to be removed ? when to remove such ?
Not to be removed if its already part of the equation/question. You introduced the term by changing the sine term to a combination of tangent and cosine - you should not have.
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