manhn29112005 manhn29112005

01-08-2021
Mathematics

contestada

(cos^2x-sin^2x)-sin4x+sin^22x=0

Respuesta :

Аноним Аноним

03-08-2021

Answer:

x=22.5

Step-by-step explanation:

(there's a correction in the question since the I did this one before, so I know)

(cos²x-sin²x)²-sin4x+sin²2x=0

or, cos²2x-sin4x+sin²2x=0

or, 1-sin4x=0

or, sin4x=1

or, 4x=90

or, x=22.5

Answer Link

Otras preguntas

Simplify square root

I need some help with this

Create a story using at least 15 of these words. Do not use the words highlighted in orange. :)

Choose the verb that makes sense and agrees with the subject of the sentence. El maestro _________ café con su amigo. leemo come bebo comp corro escrit abres vi

What class traits define your peer group?

If you’ve read My Everest Story can u answer these questions about chapter 5 and 6? 1. Summarize the chapters 2. What u liked and disliked about section? 3. Fav

Which of the following situations describes a change that will result in a new kind of matter with different characteristics?

Please help me vote you brainiest

What are the common multiples of 4 and 18 between 1 and 100?

Which pay is equivalent to a rate of $16 per hour? $48 for 3 hours $60 for 5 hours $120 for 12 hours $96 for 9 hours