3 years ago

Prove that sec^4 (x)=1+2 tan^2 (x)+tan^4 (x)

1 answer:

IgorC [24]3 years ago

7 0

Answer: sec^4(x)-tan^4(x) = 1+2 x tan^2(x)

Step-by-step explanation:

You might be interested in

Katarina [22]

Answer:

9n-3

Step-by-step explanation:

since 9n has a variable, u can't add or subtract 9n with 3

but if you were multiplying: 9n(3) then it would be 27n

7 0

3 years ago

Strike441 [17]

(5,0) if there is no y then it is a 0

3 0

3 years ago

Rom4ik [11]

Answer:

Step-by-step explanation:

i just used a calculator lol

7 0

3 years ago

irina [24]

Answer:

I am not sure but if you divide those 2 numbers such as dividing 10 by 15 you will get 0.666666666667 but if you round it you will have 67%

Step-by-step explanation:

Plz mark Brainliest

5 0

3 years ago

alina1380 [7]

Answer:

they are all multiples of 5

Step-by-step explanation:

when you count by five you will meet each number =D

3 0

3 years ago