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10-05-2022
Mathematics

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R.1 Trigonometric ratios: sin, cos and tan
Find the sine of D.

R1 Trigonometric ratios sin cos and tan Find the sine of D class=

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Аноним Аноним

10-05-2022

Answer:

Below.

Step-by-step explanation:

Using Pythagoras theorem:

(√69)^2 = (√47)^2 + BC^2

BC^2 = 69-47 = 22

BC = √22.

sin D = BC / CD

= √22/√69

= 0.5647 to nearest ten thousandth.

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