Math, asked by Yashkv8434, 10 months ago

How do you evaluate 1−2cos2(π8)?

Answers

Answered by amana001

0

$- 49.20939515$

Previous Question

Next Question

Similar questions

Science, 5 months ago

As many children in the neigbourhood were suffering from dengue, the teacher advised the students to wear full sleeved shirts and trousers even though it was time to wear summer uniform. Why?

Math, 5 months ago

Check whether (x-3) is a factor of f(x)=x cube-3x square +4x+50 Expand (2a+3b)cube...

Science, 5 months ago

outermost shell of hydrogen atom...

Math, 10 months ago

How do you simplify and divide (x3+y3)÷(x+y)?

Math, 10 months ago

If f(x + y) = f(x). f( y) ∀ x.y and f(5) = 2, f'(0) = 3, then f'(5) is(a) 0(b) 1(c) 6(d) 2...

English, 11 months ago

Write the character sketch of gupta and maggie of the story price of a flower...

Hindi, 11 months ago

Nibandh on matdaan in hindi for clas 9th for a competition...

Hindi, 11 months ago

S ramanujan ke bare me batate hau dada ji ko patra...