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3 years ago

5

1. Find the missing measure. 65°

1 answer:

tiny-mole [99]3 years ago

8 0

Answer:

25

Step-by-step explanation: 90-65=25

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Answer:

See below

Step-by-step explanation:

Here we need to prove that ,

$\sf\longrightarrow sin^2\theta + cos^2\theta = 1$

Imagine a right angled triangle with one of its acute angle as $\theta$ .

The side opposite to this angle will be perpendicular .
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$\sf\longrightarrow sin\theta =\dfrac{p}{h} \\$

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$\sf\longrightarrow h^2 = p^2+b^2 \dots (i)$

Where the symbols have their usual meaning.

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$\sf\longrightarrow\cancel{ \dfrac{h^2}{h^2}}\\$

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Step-by-step explanation:

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