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Question
If cos (81 + θ)° = sin`("k"/3 - theta)^circ` where θ is an acute angle, then the value of k is ______.
Options
18°
27°
9°
81°
MCQ
Fill in the Blanks
Solution
If cos (81 + θ)° = sin`("k"/3 - theta)^circ` where θ is an acute angle, then the value of k is 27°.
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