Math, asked by aryansharma7467, 9 months ago

if alpha + beta=90 the cos²alpha +cos²beta =????

Answers

Answered by kavyasaxena106

1

Answer:

1 is the answer.. ... ... ... ..

Attachments:

Answered by Anonymous

1

Answer:1

Step-by-step explanation:

alpha=90-beta

Cos alpha=cos(90-beta)

Cos alpha=sin beta

Cos^2 alpha=sin^2 beta

Cos^2alpha+cos^2beta=sin^2beta+cos^2beta=1

Previous Question

Next Question

Similar questions

Physics, 4 months ago

state Newton's second law of motion. What is S.I. unit of force?

Computer Science, 4 months ago

Give the output of the following code statement. double x = 2.9.y=2.5:System.out.println (Math.min(math floor (x), y )); System.out.println (Math.max(math ceil (X). y )):...

Math, 4 months ago

solve the answer....................

Physics, 9 months ago

In the above circuit diagram, in the place of AB the following are connected, one by one and the ammeter reading is noted. i] Nichrome wire of length 'x cm and diametery om ii) Nichrome wire of length 2x'cm and diameter y cm. In which case the ammeter reading will be maximum? Why? What happens to ammeter reading when a nichrome wire of length x cm but diameter 3 cm is connected in the place of...

Biology, 9 months ago

Q1: Explain different mode of nutrition in animals....?

Physics, 1 year ago

The permeability of a magnetic material is 0.9983. Name the type of magnetic material it represents? If you are saying it diamagnetic then remember that its relative permeability is greater than 1 and its actual permeability is given 0.9983...

Economy, 1 year ago

Bharat me berojgari ke dushparinam likhiye...

Math, 1 year ago

Factories (2a +3)pow2 - (9b)pow2...