Theninja888 Theninja888

17-06-2016
Mathematics

contestada

Verify the identity. (7 points)

cos quantity x plus pi divided by two = -sin x

Respuesta :

jhonyy9 jhonyy9

17-06-2016

do you think

cos(x + pi/2) = -sin x ?

so hopw you learned about formula cos(a+b) = ?

Answer Link

Otras preguntas

How many moles of C5H12 are there in 362.8 grams of the compound

How many 2-digit numbers can be formed from the digits 1 through 8 if each digit is only used once?

Eight cards are numbered 1 to 8 and placed in a box. One card is selected at random and not replaced. Another card is randomly selected. What is the probability

A factory robot found flaws in 2 out of 12 bulbs. Considering this data, how many flawed bulbs would the robot be expected to find in a batch of 18 bulbs?

A bank account earning annual compound interest was opened, and no additional deposits or withdrawals were made after the initial deposit. The balance in the ac

consider the following pair of equations: x + y = -2 y= 2x + 10 if the two equations are graphed at what point do the lines representing the two equations inter

5(X+3)=25 Need help real quick

what is immune response

Why do cells need to have a high amount of surface area relative to their volume

Rechargeable batteries, such as those in cell phones, lose charge faster the more they are used. What does this indicate about how batteries store electricity?