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Question
`(sin8A + sin2A)/(cos2A - cos8A)` is equal to ______
Options
tan 2A
cot 2A
tan 3A
cot 3A
MCQ
Fill in the Blanks
Solution
`(sin8A + sin2A)/(cos2A - cos8A)` is equal to cot 3A.
Explanation:
`(sin8A + sin2A)/(cos2A - cos8A) = (2.sin5A.cos3A)/(2.sin5A.sin3A) = cot 3A`
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Trigonometric Functions of Sum and Difference of Angles
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