Math, asked by snehalj2138, 6 days ago

The value of cos² x + cos² y – 2cos x × cos y × cos (x + y) is

(a) sin (x + y)

(b) sin² (x + y)

(c) sin³ (x + y)

(d) sin4 (x + y)

Answers

Answered by Anshnagesh

0

Can you please send me the speed at really good at English

Previous Question

Next Question

Similar questions

English, 3 days ago

what is white hole and black hole? have an astronical day also...

Economy, 3 days ago

Questions - 1- List any three human activities which would lead to an increase in the carbon dioxide content of air? 2- What are the different states in which water if found during the water cycle? 3- What are the two forms of oxygen found in the atmosphere? Drop 10 thankx My name is Vishal Chandra.

Math, 3 days ago

The diagonals AC and BD of parallelogram ABCD intersect at the point O. If DAC = 34º and | AOB = 75°, then DBC = ] 1) 15° 2)41° 3) 35° 4) 25°...

Math, 6 days ago

x^2+y^2=tan a find dy/dx...

Math, 6 days ago

2 upon 3 into minus 1 equals 7 upon 3...

Math, 7 months ago

sin +cos = a then sin4 + cos4 =...

English, 7 months ago

Suppose one of your friends has left his/her job and started a small scale business. -No.1 Write ten questions you will ask him/her to know the objectives and reasons which led him/her to take this decision. Also write down their plausible answers.

Math, 7 months ago

find the third angle 1st angle 90 second angle 110 find third...