Math, asked by indrachoudhury, 9 months ago

cos²-sin²=1/x
cos⁴- sin⁴=?

Answers

Answered by dheeraj731248

1

Step-by-step explanation:

x=1may be the. answer so follow me

Answered by iamvandna2

2

Answer:

cos^4-sin^4=(cos^2-sin^2)(cos^2+sin^2)

=1/x.1=1/x

Previous Question

Next Question

Similar questions

Math, 4 months ago

Subtract b(b^2+b-7)+5 from 3b^2-8 and find the value of expression obtained for b=-3. Please help if you know the right answer ...

Math, 4 months ago

Sonika deposited Rs.8000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 2% more. She would get how much?

Math, 4 months ago

the equation of the line passing through (2, -1) and having equal intercepts is...

Math, 9 months ago

1 Students from 128 schools took part in a speed-math competition. Each school sent 62 students. If each student answered 35 questions, how many answers were to be checked?

Political Science, 9 months ago

who is presentent of india...

Accountancy, 1 year ago

During the financial year 2017-2018. Mohan had cash sales Rs 90,000 and credit sales Rs60,000. His expenses for the year were Rs 70,000 out of which Rs 30,000 is still to be paid . find out Mohan income for 2017-18 following cash basis and accrual basis of accounting...

English, 1 year ago

Who is iron man counterpart...

Math, 1 year ago

Two supplementary angles are in the ratio 7:8 .Find the complement of the smaller angle...