3 years ago

Expressing cos^2x in terms of cos2x

1 answer:

6 0

Rearrange
2sin^2x = 1-Cos2x 

Divide by 2 to isolate for sin^2x 
sin^2x = (1-Cos2x)/2

You might be interested in

Ms. Ache is paid $1250 per week but is fined $100 each day she is late to work. Ms. Ache wants to make at least $3,000 over the

faust18 [17]

She can have 7 days off at most because 3 X 1250 = 3750 - 700 = 3050

7 0

3 years ago

OMG CAN SOMEONE PLEASE ANSWER MY QUESTIONSS LIKE THIS IS SO IMPORTANT AND YALL REALLY DONT CARE CAN YALL PLEASE GO TO MY THING A

Aleks04 [339]

You didn’t put the math problems for us to answer the questions

4 0

2 years ago

What is it multiplying by? 784.5, 78.45, 7.845,0.7845, 0.07845

katrin [286]

Answer:

10,100,1000,-10,-100,-1000

Step-by-step explanation:

3 0

3 years ago

a recycling bin is in the shape of a rectangular box. find the height of the box if its length is 16ft, its width is 6 ft, and i

Andre45 [30]

Answer:

Height 4 ft

Step-by-step explanation:

Surface area= 2(lw + lh + wh) =

2(16)16)+2(16h)+2(6h) =

2(16)(6)+32h+12h=368

192 + 44h = 368

44h = 368 - 192

44h = 176

h = 176/44

6 0

2 years ago

a circular picture whose diameter is 4 decimeter is framed in a rectangle board with dimension of 6 decimeter by 4 decimeter wha

avanturin [10]

Answer is $\bf \dfrac{80}{7}$ dm².

In order to calculate the area of the board that can be seen, we need to calculate the area of the the rectangular board and the circular frame. The difference of both's area is the required answer.

Refer to the attachment for step by step solution. :)

6 0

2 years ago