3 years ago

What is a possible value of sin(theta) when cos2(theta)=0.21

1 answer:

6 0

We know that

cos²(theta)=0.21
sin²(theta)+cos²<span>(theta)=1
</span>sin²(theta)=1-cos²(theta)------> sin²(theta)=1-(0.21)-----> 0.79
sin(theta)=√0.79
sin(theta)=0.89

the answer is
the value of sin(theta) is 0.89

You might be interested in

If I put 1500 into my savings account and 180 of interest at 4% simple interest how long was my money in my bank

stealth61 [152]

10,800 I think that's the answer

6 0

3 years ago

What is the answer to 1 4/5 x 2 1/4

hodyreva [135]

Answer:

3 6/25

Step-by-step explanation:

Make the mixed fractions improper fractions and multiply them together. After that make the multiplied improper fraction a mixed fraction (answer in drawings)

7 0

3 years ago

How do you do the shortcut method

Gala2k [10]

<span>Add both the result (1×3 + 1×3) = 6 and write down to the left of 9 (result ofstep 1).

</span>

8 0

3 years ago

Apples cost $3.45 per pound find the cost of 2.6 pounds of apples Solve this problem With multiplication

lapo4ka [179]

Answer:

8.97

Step-by-step explanation:

3.45(2.6) = $8.97

Hope this helps you! :)

7 0

3 years ago

X=2y+7 3x−2y=3 solve by substitution

vazorg [7]

Answer: x= -2

Step-by-step explanation:

8 0

3 years ago