AP EAPCET 25-Aug-2021 Shift 1 Paper

Section: Mathematics

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Question : 23 of 160

Marks: +1, -0

If α=

180°

7

, then 3‌sin‌α−4sin3α is equal to

cos‌4‌α
sin‌4‌α
cos‌3‌α
0

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