Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Math
Starting from the formula cos^2(x)+ sin^2(x)=1, prove that tan^2(x)+1 =sec^2(x).
1 answer
divide each term by cos^2 x and there you have it.
You can
ask a new question
or
answer this question
.
Similar Questions
6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin �y
10.Prove that 1+tanθ/1-tanθ = sec^2θ+2tanθ/1-tan^2θ 17.Prove that
Top answer:
you gotta add some parentheses, so we can tell what's the numerator and what's the denominator. For
Read more.
6. Prove that tan λ cos^2 λ + sin^2λ/sin λ
= cos λ� + sin �λ 10. Prove that 1+tanθ/1-tanθ = sec^2θ+2tanθ/1-tan^2θ
Top answer:
PLEASE tell your classmates to use parentheses to clarify the problems! I think you mean (tan*cos^2
Read more.
7. Prove that tan B� sin B� + cos �B = sec B�.
11. Prove that tanλ cos^2λ +sin^2λ/sinλ = cos λ� + sin λ�. 12. Prove that
Top answer:
tan*sin+cos = sin^2/cos + cos = (sin^2+cos^2)/cos = 1/cos = sec (tan*cos^2 + sin^2)/sin = (sin*cos +
Read more.
1.Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two
decimal places. 6.Prove that tan y cos^2 y + sin^2y/sin y =
Top answer:
1. Some students like to look at these types the following way: let tanx = y, to get y^2 + y - 1 = 0
Read more.
45) Prove the following identities. Use a separate piece of paper.
a) sec x − tan x = 1−sinx cos x b) (csc x − cot x) 2 =
Top answer:
a) Proof: Starting with the left side of the equation, we have: sec x − tan x Recall that sec x is
Read more.
For each of the following determine whether or not it is an identity and prove your result.
a. cos(x)sec(x)-sin^2(x)=cos^2(x) b.
Top answer:
a 1 - s^2 = c^2 yes s^2+c^2 = 1 b t(x+pi/4) = (t x + 1)/(1-t x) yes c t x t y = s x /c x * s y/c y
Read more.
Prove the following trigonometric identities. please give a detailed answer because I don't understand this at all.
a.
Top answer:
if you don't understand it at all, you seriously need to review the most basic trig identities:
Read more.
Hi, I really need help with these questions. I did some of them halfway, but then I got stuck. Would you please help me? Thank
Top answer:
First of all, to prove identities you have to work on either the left side (LS) or the right
Read more.
Prove these identites
I really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2-cos^2 sin^2 sec^2
Top answer:
a good place to start is usually to make everything sin/cos: sin^2 + sin^2/cos^2 [(1-cos^2)cos^2 +
Read more.
Prove these identites
I really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2-cos^2 sin^2 sec^2
Top answer:
Transpose the -cos^2 to the left-hand side and try using: sin^2+cos^2=1 1+tan^2 = sec^2
Read more.
Related Questions
Prove the trigonometric identity.
tan x+cot x/csc x cos x=sec^2 x __= sec^2x __= sec^2x __ = sec^2x __= sec^2x __ = sec^2x
Consider sin(x-360)sin(90-x)tan(-x)/cos(90+x)
1.A.SIMPLIFY sin(x-360)sin(90-x)tan(-x)/cos(90+x) to a single trigonometric ratio
A calculator is broken so that the only keys that still work are the sin, cos, tan, cot, sin^-1, cos^-1, and tan^-1 buttons. The
1. Simplify the expression.
[csc^2(x-1)]/[1+sin x] a. csc x+1 b. csc x(csc x-1) c. sin^2 x-csc x**** d. csc^2 x-cos xtan x 2.
Prove these identites
I really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2-cos^2 sin^2 sec^2
simplify to a constant or trig func.
1. sec ²u-tan ²u/cos ²v+sin ²v change expression to only sines and cosines. then to a
I don't understand,please be clear!
Prove that each equation is an identity. I tried to do the problems, but I am stuck. 1. cos^4
Prove that each equation is an identity.
I tried to do the problems, but I am stuck. 1. cos^4 t-sin^4 t=1-2sin^2 t 2. 1/cos s=
Proving identities:
1) 1+ 1/tan^2x = 1/sin^2x 2) 2sin^2 x-1 = sin^2x - cos^2x 3) 1/cosx - cosx = sin x tan x 4) sin x + tan x
prove these identies
sin^2+tan^2=sec^2-cos^2 sin^2 sec^2 +sin^2=tan^2+sin^2
