Math, asked by amangaur9157, 8 months ago

Cos-¹( cos² x - sin² x) is

Answers

Answered by angelina10

0

Answer:

2x

Step-by-step explanation:

cos² x - sin² x = cos 2x ,,,, important formulae

so

cos-¹ ( cos 2x ) = 2x

Previous Question

Next Question

Similar questions

English, 4 months ago

Q 8. Choose the odd one out. success O frustration distinction O achievement...

Math, 4 months ago

Heya!!!! Marbles of diameter 1.4 cm are dropped into a cylindrical beaker of diameter 7 cm containing some water. Find the number of marbles that should be dropped into the beaker so that the water level rises by 5.6 cm. - Quality Answer needed...

Social Sciences, 4 months ago

What were the teachings of the Bhakti saints.

Math, 8 months ago

2x + 5y = 97 then x and y are...

English, 8 months ago

Which is the best definition of imagery? drawings that relate to the words in a text descriptions that are used in a fictional text vivid language that appeals to the sense of sight vivid language that appeals to the five senses...

Math, 1 year ago

35/35 plants are planted along the length and breadth of a square garden.how many plants are there in the garden?

Environmental Sciences, 1 year ago

Circle the odd one out snake, crocodile, lion, turtle...

Math, 1 year ago

Find three consecutive whose some is 81.