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Zanzabum
3 years ago
13

i am so confused, can someone please look at the picture and tell me the answer and how to get it. Please!

Mathematics
1 answer:
shtirl [24]3 years ago
6 0
To ease your live re write each one by using sin, cos, tan, knowing well that:

cscx = 1/sin x ( sin of an angle = opposite side/hypotenuse(23)


secx = 1/cos x (cos of an angle = adjacent side/hypotenuse(23)


cotx = 1/tanx (tan of an angle = opposite side/adjacent side)

Work it out & if you have difficulties do let me know
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Express the given ratios as fraction

4 : 5 = 4/5 and 2 : 3 =2/3

Now find the L.C.M (least common multiple) of 5 and 3

The L.C.M (least common multiple) of 5 and 3 is 15.

Making the denominator of each fraction equal to 15, we have

4/5 = (4 ×3)/(5 ×3) = 12/15 and 2/3 = (2 ×5)/(3 ×5) = 10/15

Clearly, 12 > 10

Now, 12/15 > 10/15

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