All categories

3 years ago

Prove this identify : 2 cos^2 (45°-A ) = 1 +sin 2 A

Mathematics

1 answer:

11Alexandr11 [23.1K]3 years ago

4 0

I wasn’t sure how to put this into words. I hope this makes sense. <3

You might be interested in

Find the value of 4³

Gwar [14]

Answer:

Step-by-step explanation:

4^3 is the same as 4x4x4

4x4 = 16

16x4=64

so 4^3 is 64

4 0

1 year ago

Read 2 more answers

The rules which tell which caculations are done before others in an expression

julia-pushkina [17]

This rule is known as PEMDAS

In an algebraic equation follow PEMDAS

P= first calculate anything with parantheses

E= then calculate anything with exponents

M= calculate any multiplication

D= calculate any division

A= calculate any addition

S= calculate any subtraction

you must do these in that order

hope this helps:)

5 0

4 years ago

A pharmacist whose salary became $640 a week had

irinina [24]

640 x 0.30= 192

640-192= 448

448 is the answer

4 0

3 years ago

Read 2 more answers

Which image shows 1 7/8 on a number line?

postnew [5]

Answer:

Step-by-step explanation:

brainlest plz

5 0

3 years ago

I WILL GIVE BRANIEST

Anuta_ua [19.1K]

Answer:

y=5/2x+6

Step-by-step explanation:

4 0

2 years ago

Prove this identify : 2 cos^2 (45°-A ) = 1 +sin 2 A​

Prove this identify : 2 cos^2 (45°-A ) = 1 +sin 2 A