Find the exact value of tan (arcsin (two fifths))
1 answer:
There are 2 ways to do this:
1) Transform tan into terms of sin.

where

Substituting back in gives:

2) Use a right triangle.

sin = opp/hyp --> opp = 2, hyp = 5
Use Pythagorean theorem to solve for adjacent side.

tan = opp/adj
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Answer:
A) 7x^2-7x+15
Step-by-step explanation:
f(x) = 4x2 - 5x + 7,
g(x) = 3x2 - 2x + 8
f(x) +g(x) =
4x^2 - 5x + 7 + 3x^2 - 2x + 8=
7x^2-7x+15
86 years old because you subtract 2017-1931
Answer:
slope= -2
Step-by-step explanation:
using
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=
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4 tenths and 2 hundreths.
First you will divide 525 by 100. Then you multiply your answer by 4. That will equal 21