Mathematics, 06.02.2021 18:40 tmoneytj28
Suppose aa represents some number of radians where 0<a<π/2, and cos(a)=0.7 and sin(a)=0.72. Determine the values of the following expressions.
cos(−a)=
sin(−a)=
Hint: it might help to start by drawing a diagram of two angles: one with a measure of a radians, and one with a measure of −a radians.
Answers: 1
Mathematics, 21.06.2019 21:40, Fangflora3
The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides
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Mathematics, 21.06.2019 23:00, noahdwilke
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
Mathematics, 22.06.2019 01:30, nandinipp0303
Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot
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Suppose aa represents some number of radians where 0<a<π/2, and cos(a)=0.7 and sin(a)=0.72. De...
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