8. Find the values of angles x, y,

Mathematics

2 answers:

Eddi Din [679]3 years ago

8 0

Answer:

option A

Step-by-step explanation:

option A is the correct answer of this question.

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timofeeve [1]3 years ago

7 0

60 + 40 + x = 180

100 + x = 180

x = 180-100

x = 80°

Z + 60 = 90

Z = 90-60

Z = 30°

Y + Z + 20 = 180

Y + 30 + 20 = 180

Y + 50 = 180

Y = 180-50

Y = 130°

I think the options are incorrect

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PLEASE HELP. WILL MARK BRAINLIEST IF CORRECT

Luda [366]

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Answer:

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Step-by-step explanation:

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3 years ago

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o-na [289]

Answer:

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Step-by-step explanation:

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Read 2 more answers

How to do this question by proving the identity?

jeyben [28]

$\sin^3 \theta-\cos^3 \theta=(\sin \theta-\cos \theta)(\sin \theta\cos \theta+1)\\\\
(\sin \theta-\cos \theta)(\sin^2 \theta+\sin \theta\cos \theta +\cos^2 \theta)=(\sin \theta-\cos \theta)(\sin \theta\cos \theta+1)\\\\
(\sin \theta-\cos \theta)(\sin \theta\cos \theta+1)=(\sin \theta-\cos \theta)(\sin \theta\cos \theta+1)\\\\$