Math, asked by manaarrehman189, 11 months ago

prove (sin²x)² - (cos²x)² = 1 - 2cos²x

Answers

Answered by pk515494

0

Step-by-step explanation:

(sin²x)²-(cos²x)²

(sin²x+cos²x)(sin²x-cos²)

(1)(sin²x-cos²x)

Because sin²x=1-cos²x

so,

(1-cos²x-cos²x)

=(1-2cos²x)

Answered by BrainlyIAS

1

Step-by-step explanation:

plz mark my ans as brainliest

Attachments:

Previous Question

Next Question

Similar questions

Math, 5 months ago

complete the following table with appropriate entries where ever possible...

Physics, 5 months ago

in the potential difference why the charge is q+?

Physics, 5 months ago

If the temperature of an ideal gas increases 3 times then find its r.m.s. speed.

French, 11 months ago

which vowel sound doesn't exist in English?

Math, 11 months ago

Radha and Geeta can do a piece of work in 18 days and 9 days respectively. They work together for four days and then Geeta leaves. How much time Will Radha take to complete the remaining work? (1) 8 days (2) 6 days 3) 12 days (4) Can't be determined (5) None of these...

English, 1 year ago

she murmured,"I will come with you." change to indirect.

Physics, 1 year ago

if the critical angle of Crystal is 45 degree what will the polarizing angle...

History, 1 year ago

What is the highest class in Aryan society a. Vaisyas c. Kshatriyas b. Brahmins d. Sudras...