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Chapter 12: Q11. (page 801)

What is the value of sinB? Express your answer as a fraction.

Short Answer

Expert verified

sinB=513

Step by step solution

01

Step 1. Observe.

Observe the given figure and mark 鈭�B.

02

Step 2. Formula to find sin of an angle.

In a right-angled triangle, sin of an angle胃 is equal to the ratio of opposite side and hypotenuse, that is,

sin胃=oppositesidehypotenuse

03

Step 3. Find sinB.

Find sin of angle B.

sinB=513

Therefore, sinB=513.

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