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Debora [2.8K]
3 years ago
13

Find the exact value of sin 105º.

Mathematics
2 answers:
NARA [144]3 years ago
7 0
Value is 1
(according to my calculator)
Jet001 [13]3 years ago
4 0

Answer:

sin 105 = sin (45 + 60) = sin 45 cos 60 + cos 45 sin 60, or

                                    = (1 / √2)(1 / 2)        + (1 / √2)(√3 / 2)

                                         1 + √3

                                    = -------------

                                           2√2

Step-by-step explanation:

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Answer:

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8 0
2 years ago
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Shkiper50 [21]

Answer:

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Step-by-step explanation:

4 0
2 years ago
On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 9 k
nadya68 [22]

Answer:

6 kg

Step-by-step explanation:

Given is weight of an object directly varies with the mass of the object .

Let the constant of proportionality be k

So,

Weight = K×(mass of the object)

For an object , weight = 45 N

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So , 45 = K×9

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Now, for the other object ,

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5 0
3 years ago
4. For each equation, determine if =-2 is a solution. Explain or show your reasoning.
Aneli [31]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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icang [17]

Step-by-step explanation:

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7 0
2 years ago
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