Question

Всё на фото............

Answer 1

Ответы:
9. 18
10. -12
11. -14

Answer 2

task/26548492
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9.
-18√2sin(-135°) = -18√2*(-sin135°) =18√2sin(180°-45°) =18√2sin45°=
18√2 *1/√2 =18 .
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10.
24√2cos(-π/3)sin(π/4)=24√2cos(π/3)sin(π/4) =24√2*(1/2)*1/√2 =12.
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11.
14sin19° / sin341° =14sin19° / sin(360° - 19°) =14sin19° /(-sin19°) = -14.