gatorlove00
21.05.2021 •
Mathematics
Which of the following shows the correct evaluation for the exponential expression 6 over 7 to the power of 2 ? (2 points) a 6 over 7 plus 2 equals 2 and 6 over 7 b 6 over 7 times 2 equals 12 over 7 which equals 1 and 5 over 7 c 6 over 7 times 6 over 7 equals 36 over 49 d 6 over 7 divided by 2 equals 6 over 14
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Ответ:
3/5 = sin(b)
Step-by-step explanation:
Equation
Tan(b) = sin(b)/cos(b) Multiply both sides by cos(b)
cos(b)*tan(b) = cos(b)sin(b)/cos(b) Simplifiy
cos(b)*tan(b) = sin(b)
Givens
Tan(b) = 3/4
Cos(b) = 4/5
Solution
4/5 * 3/4 = sin(b)
12/20 = sin(b)
3/5 = sin(b)