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Question
secondary 4 | A Maths
3 Answers Below
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Help me please!
Date Posted: 3 years ago
Views: 196
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You have to use special angles to help you solve this. The skill required is to reimagine 7pi/12 as something you can work with...i.e 3pi/12 + 4pi/12 which can be simplified to pi/4 + pi/3
Date Posted:
3 years ago
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cosec^2 x = 1 + cot^2 x
sin x/cos x = tan x so, the opp. cos x/sin x = cot x
sin x/cos x = tan x so, the opp. cos x/sin x = cot x
Date Posted:
3 years ago
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I forgot to do so here but showing somewhere that the answer obtained in b)i) = line 4 equation is a good presentation habit. It reinforces the idea of "Hence" being used in your b)ii)
Date Posted:
3 years ago
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