Math, asked by nasead393, 3 months ago

What is the formula for 2cosx

Answers

Answered by devika2271

0

Answer:

2 cos x = cos x + cos x. only. But cos 2x = cos² x - sin² x.

Answered by kim3527

0

Devika is right.. you might have mistyped the question

Previous Question

Next Question

Similar questions

Math, 1 month ago

Evaluate the determinant: 1. | 34 -5 - 1...

Math, 1 month ago

if p and q are odd primes then a. -4 id a primitive root of q b. 4 is a primitive root of q c. (p-1)/4 is a quadratic residue of q d. none of the above...

Math, 1 month ago

What is the lcm of 85 and221...

Biology, 3 months ago

HIV attacks cells inside humans called CD4 cells, which causes a disruption of a certain body system. To which system do these cells belong?

Math, 3 months ago

how to prove rational or irrational √441...

Biology, 10 months ago

well of mature Pollen Grain is made up of ...

English, 10 months ago

who found the delhi sultanate...

Geography, 10 months ago

Question no. 1) The Western Ghats cause________rains. answer ASAP not from Google.