3 years ago

What value of makes this equation true? sin(30) = cos()

Mathematics

2 answers:

masya89 [10]3 years ago

4 0

Answer:

cos60°

Step-by-step explanation:

Using the cofunction identity

cos(90 - x) = sinx , then

sin30° = cos(90 - 30)° = cos60°

kicyunya [14]3 years ago

4 0

Sin(30)= -0.952...
cos(60) = -0.952...
sin(30) = cos(60)

You might be interested in

HELP ME AND PLS AND THXS (-1, -16) (3, 0) (-5, 0) (0, -15)

n200080 [17]

Answer:

A. (-1, -16)

Step-by-step explanation:

8 0

3 years ago

Simplify the expression. (x1/8 y1/4)2

Irina18 [472]

Answer:

Step-by-step explanation:

C) x1/4y1/2

4 0

3 years ago

I am really confused on this question and need help

Alisiya [41]

The lines are parallel (meaning they have the same slope) so there is no solution. If the lines overlap then there is infinite solutions. If the lines cross there is one solution.

The only way to have more than one solution but not infinite is if the graphs are something other than lines.

8 0

4 years ago

Read 2 more answers

The length of a rectangle is twice the width. The area is 128 yd^2. Find the length and width.

melomori [17]

The length is 14 yd and the width is 7 yd because 7•2=14 and 14•7= 128 yd²

8 0

3 years ago

Find the missing value. 16/20 =100/x

Scrat [10]

Answer:the answer is 4

Step-by-step explanation:

5 0

3 years ago