Question

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Answer 1

Respuesta:

Explicación paso a paso:

a)

w² = 9² + 40²

w² = 81 + 1600

w² = 1681

w = √1681

w = 41

senP = 9/41

cosP = 40/41

tanP = 9/40

b)

25² = 7² + x²

625 = 49 + x²

625 - 49 = x²

576 = x²

√576 = x

24 = x

senP = 24/25

cosP = 7/25

tanP = 24/7

a)

2(21cm) + 2x = 60cm

42cm + 2x = 60cm

2x = 60cm - 42cm

2x = 18cm

x = 18cm/2

x = 9cm

Ф = $tan^{-1}(\frac{9}{21})=23,2$

b)

Ф = $sen^{-1}(\frac{24}{25})=73,7$

25² = 24² + r²

625 = 576 + r²

625 - 576 = r²

49 = r²

√49 = r

7 = r

x = 27 +r

x = 27 + 7

x = 34