Find the value of cós? 63º – sin? 27°.
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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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Step-by-step explanation:
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