Math, asked by sa8710352, 8 months ago

2cos²(30)-1 is same as..

Answers

Answered by Farhan5555

0

Answer:

0.5

Step-by-step explanation:

2cos²30-1

=2×(√3/2)²-1

=2×3/4-1

=3/2-1

=1/2

=0.5

Previous Question

Next Question

Similar questions

Physics, 4 months ago

If an object is placed at a distance of 50cm from a concave lens of focal length 20cm, find the position, nature and height of the image.

Math, 4 months ago

Q2) Given below is Triangle ABC ,with side AB=AC, Show that BE = CF А E B с...

Chemistry, 4 months ago

give three limitations of bhor's model of atom...

Physics, 8 months ago

Calculate the resistance of 50cm length of wire of cross sectional area 0.01mm²and of resistivity 5 x 10⁻⁸Ω m.

Science, 8 months ago

science mcq answer fast...

Math, 11 months ago

one number is four less than three times another. if there sum is increased by five, the result is 25. Find the number.

Math, 11 months ago

the product of two numbers is 18 5.6 if one of the numbers is a 2 2 upon 3 find the other number...

Social Sciences, 11 months ago

please help me in these questions...