cos⁡5=1−a2 which statement is true? 1) sin⁡20=4a1−a21−4a2 2) tan⁡50=1−a1+a 3) tan⁡10=2a1−a2 4) cos⁡65=121−a2−3a

Karen Simpson

Karen Simpson



cos5=1a2 which statement is true?
1) sin20=4a1a214a2
2) tan50=1a1+a
3) tan10=2a1a2
4) cos65=121a23a

Answer & Explanation

Barbara Meeker

Barbara Meeker


2022-01-15Added 38 answers

Hint: Assuming the arguments are in degrees:

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