Cross multiply the expression so that we can get

(1+sinx)(1-sinx) = cos^2 x

1 - sin^2 x = cos^2 x

cos^2 x + sin^2 x = 1

since

cos^2 x + sin^2 x = 1

therefore

1 = 1

the two expressions are identical in a trigonometric sense

4 0

3 years ago

Over the past seven days, Mrs. Cho found that the temperature outside had dropped a total of 35

s344n2d4d5 [400]

Answer:

Average change in temperature each day = 5 degrees/day

Step-by-step explanation:

$\frac{35}{7} = 5$

8 0

2 years ago

,,,,,....,,,,,:;,,,,,:(

pshichka [43]

start at -2 go over 2 and up 5

(-2, 5)

8 0

3 years ago