Question

sin 27°
2.
COS 63°) ?
+
COS 63°
sin 27°​

Answer 1

The required value is 2.

Step-by-step explanation:

Since we have given that

Now, we know that

sin 27 = sin(90-63) = cos 63

and cos 63 = cos(90-27 ) = sin 27

So, it becomes,

Hence, the required value is 2.

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