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Question

xo=π180× x radian and x radian=180π× degree


A

True

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B

False

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Solution

The correct option is A

True


First we will express a known angle in degree and radian and equate both. For this you can consider any angles whose degree and radian measurements are known. For example, right-angle is 90o and π2 radian

90o=π2 radian
1o=π180 radian
xo=x×π180 radian.
To get the next relation,
π2 radian = 90o

1radian=180oπ
x radian = 180π×x degree


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