lokeshmutreja160 lokeshmutreja160

21-02-2021
Mathematics

contestada

2cos60° +3 sin-45° -3 sin 30° +2 cos 90°

Respuesta :

ADVENTUROUSBOY ADVENTUROUSBOY

21-02-2021

2cos60° + 3sin-45° - 3sin30° + 2cos90°

= 2 × 1/2 + 3 × -1/√3 - 3 × 1/2 + 2 ×0

= 1 - 3/√3 - 3/2 + 0

= 1 - 3/√3 - 3/2

= 1 - 3/1.732 - 1.5. <----> ( √3 = 1.732 )

= 1 - 1.732 - 1.5

= -2.232

Answer Link

Otras preguntas

6216÷21 please show me the work

Find the 13th term of the arithmetic sequence -5x+8−5x+8, x+2x+2, 7x-4,

If four loaves of bread costs $8, a loaf of bread and a bag of oranges costs $5, and a loaf of bread, two bags of oranges and a basket of apples costs $12, what

find the point of intersection y=4x-1 y=-2x+5

translation: (x,y) →(x - 5, y + 1) Z(−3, –4), K(−2, −1), (0, -1)

what is bank? short question answer...

Will someone please help me I don’t understand it

Please help!! Graph the image of the trapezoid below using a scale factor of k= 1/4

Convert from 1257, a BASE-10 NUMBER to a BASE-7 NUMBER

6 3/7 + 7 5/7 as a mixed number in simplest form