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Misha Larkins [42]
4 years ago
7

Find the exact value of sin ( 2

Mathematics
1 answer:
Varvara68 [4.7K]4 years ago
4 0
In a right angled triangle 'efg' cos a = 3/5
From Pythagoras theorem the third side will be 4
cos a =3/5
sin a =4/5
sin 2a =2 x 4/5
sin 2a= 8/5
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The Ratio of two numbers is 3/5, and their sum is 104. What are the 2 numbers?
Rom4ik [11]

Answer:

39 and 65

Step-by-step explanation:

the ratio of the two numbers is 3 : 5

sum the parts of the ratio, 3 + 5 = 8 parts

divide the sum by 8 to find the value of one part of the ratio

104 ÷ 8 = 13 ← value of 1 part of the ratio , then

3 parts = 3 × 13 = 39

5 parts = 5 × 13 = 65

the two numbers are 39 and 65

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2 years ago
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pychu [463]

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Suppose you earned 8t-3 on monday and 6t+5 dollars on tuesday. what were your total earnings? simplify your answer
Nadusha1986 [10]
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6 0
3 years ago
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marta [7]

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Step-by-step explanation:

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hope i did this right and it helps :)

8 0
4 years ago
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