Math, asked by mahboob122003, 9 months ago

CODOWY
Convert cos 4A + cos 6A into product.

Answers

Answered by physisit

0

Answer:

cos x + cos y = 2 cos x+y/2 cos x-y/2

cos 4A +cos 6 A = 2 cos 4A+6A/2 cos 4A -6A/2

= 2cos 5A cos -A

=2cos 5Acos A (since cos -A = cos A)

Previous Question

Next Question

Similar questions

English, 5 months ago

what is the meaning of concerning...??

Social Sciences, 5 months ago

What is border encroachment?What are the major causes of it? Write any two of them.

Math, 5 months ago

if tan a + tan b = p and cot a + cot b = q then cot (a + b ) = ?

Math, 9 months ago

The radii of two concentric circles are 15 cm and 20 cm. A line segment ABCD cuts the outer circle at A and D and inner circle at B and C. If BC = 18 cm, find the length of AB.

Math, 9 months ago

please solve this problem ...

Social Sciences, 11 months ago

Which of the following describes the formation of an ionic bond? Potassium (K) loses an electron and becomes positively charged. Chlorine gains an electron and becomes negatively charged. The two atoms become attracted to one another. Potassium (K) gains an electron and becomes positively charged. Chlorine loses an electron and becomes negatively charged. The two atoms become attracted to one...

Math, 11 months ago

rationalize the denominator 1/√8+√4...

Biology, 11 months ago

what is the difference between Tatanagar...