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sin2a2cosa\frac{\sin2a}{2\cos a}2cosasin2a есепте (a)
cos2a+sin2 a\cos2a+\sin^2\ acos2a+sin2 a ықшамда
cos2a\cos^2acos2a
sin2a\sin^2asin2a
000
1
2tg15°1−tg215°\frac{2tg15^{\degree}}{1-tg^215\degree}1−tg215°2tg15° есепте
33\frac{\sqrt[]{3}}{3}33
0
12\frac{1}{2}21
cos²a-sin²a
cos2a
tg2a
sin2a
2⋅sina2⋅cosa22\cdot\sin\frac{a}{2}\cdot\cos\frac{a}{2}2⋅sin2a⋅cos2a жауабын тап
sina
cosa
tga
ctg22a−12ctg2a\frac{\operatorname{ctg}^22a-1}{2\operatorname{ctg}2a}2ctg2actg22a−1 мәнін есепте.
ctg4a
sin4a
tg4a
cos4a
1+cos2a2\frac{1+\cos2a}{2}21+cos2a қайсы өрнектің формуласы
sin²a
cos²a
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10 questions
Revisão - Números Reais
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