I’m to lazy to do my own math so help anyone?

Mathematics

2 answers:

Sav [38]2 years ago

5 0

Answer: The answer is J

Step-by-step explanation:

Because 78 is the number in the middle since 75 and 76 are both smaller than 78 and 79 and 82 are both bigger than 78

trapecia [35]2 years ago

3 0

Answer:

Step-by-step explanation:

Because we want to find out how much it varies or in simple words the difference we can use Range to solve this because range is the difference from the largest number to the smallest number.

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If t is any real number, prove that 1+(tant)^2=(sect)^2

BlackZzzverrR [31]

$1+\left(tant\right)^2=\left(sect\right)^2\\\\L=1+\left(\frac{sint}{cost}\right)^2=1+\frac{sin^2t}{cos^2t}=\frac{cos^2t}{cos^2t}+\frac{sin^2t}{cos^2t}=\frac{cos^2t+sin^2}{cos^2t}=\frac{1}{cos^2t}\\\\=\left(\frac{1}{cost}\right)^2=(sect)^2=R\\\\====================================\\\\\\tanx=\frac{sinx}{cosx}\\\\sin^2x+cos^2x=1\\\\secx=\frac{1}{cosx}$