afraaalsharany

Which of the following is an odd function

(a) f(x) = x³ + 5x² + x
(b) f(x) = x² + x
(c) f(x) = -x

If,

what is  

If , what is ? what is ? 

What is ?  

Solve for x:

x^2-5x+6=0

tan x + cos x = sec x csc x

Solve for x . log7 = log (x+2) -log3

How to solve this

Verify the identity  

Verify the identity.

Use half-angle identities to find an exact value without a calculator .

Use half-angle identities to find an exact value without a calculator. cos 75°.

If x is the average (arithmetic mean) of m and 9, y is the average of 2m and 15, and z is the average of 3m and 18, what is the average of x, y, and z in terms of m?

A) m+6

B) m +7

C) 2m+14

D) 3m+21

25 *25=?

15*15=?

16*16=?

What is as a fraction in simplest form?