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Question
secondary 3 | A Maths
2 Answers Below
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pls help me prove , thank uuuuu!!
Date Posted: 1 year ago
Views: 281
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done
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This is one possible approach
Date Posted:
1 year ago
how does the denominator become sinA/cosA - sinB/cosB
Divide each term by the term in blue.
Similar to
(xy - zy) ÷ (ay)
= (xy ÷ ay) - (zy ÷ ay)
= x/a - z/a
Similar to
(xy - zy) ÷ (ay)
= (xy ÷ ay) - (zy ÷ ay)
= x/a - z/a
done
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clear
{{ downvoteCount * -1 }} Downvotes
Follow the purple writing - how the denominator is simplified
Date Posted:
1 year ago
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