Ask question

Ask question

All categories

2 years ago

14

Sin(a)=2/5 use trig identity to find cos(a)

1 answer:

ANTONII [103]2 years ago

7 0

Answer:

5/2

Step-by-step explanation:

You might be interested in

Determine weather the following is real or complex <br> i^6-122-7i^2

Leona [35]

Answer:

Real

Step-by-step explanation:

i^6-122-7i^2

(i^2)^3-122-7i^2

(-1)^3-122-7×(-1)

-1-122+7

-123+7

-116

So the final answer is -116

7 0

3 years ago

How was abcdefgh transform to a'b'c'd'e'g'h'

strojnjashka [21]

It reflects across the x axis

8 0

3 years ago

Read 2 more answers

A survey asked the question, “Do you think a vaccination should be mandatory to enter shopping areas?!” to a random sample of 10

Sergio [31]

Answer: no it shouldn’t

Step-by-step explanation:

7 0

2 years ago

Help for points and Ill give brainliest to correct!

Svetradugi [14.3K]

Answer:

D. 3 1/4

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Write an equation for the line in slope-intercept form.

avanturin [10]

Answer:

y=2

Step-by-step explanation:

8 0

2 years ago