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Deepak kumar sah

· started a discussion

· 1 Months ago

option rowng hai

Question:

Find the value of sin 225.

Options:
A)

12    

B) \(\frac{-1}{\sqrt[]{2}}\)
C)

2

D)

1

Solution:

Ans: (b)

sin(180o + 45o)

-sin45o

-12    

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