Question

Find the value of cós? 63º – sin? 27°.​

Answer 1

Answer:

Hey there

= cos 63° - sin 27°

= cos (90° - 27°) - sin 27°

= sin 27° - sin 27°

= 0

Step-by-step explanation:

Using,

cos (90 - x) = sin x

hope it helps you

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Answer 2

Step-by-step explanation:

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