Skip to content
Search Create account

Featured Answer

Featured Answer is a community of 2,589,311 amazing learners

We're a place where learners ask for help for their tasks and share their knowledge.

Create account Log in
Twitter Facebook Github Instagram

Asked on

2x + 2(tanx*sec^2x)=0?

#mathematics

i think there is an identity for tanxsec^2x but i cant find it

Answers (1)

Collapse
kihdk5uoaa profile image
⭐ Featured Answer
•

tan(x)*sec²(x) = sin(x)/cos^3(x)

This looks a bit complicated, but it also looks like the answer is near zero, so you can use a small approximation (tan(x) = x, sec(x) = 1) formula, so you get 2x+2x = 0, x=0 . This is an exact answer, actually.

Similar questions

Factor the following using the method of common factors: 6a +6c?

gbbg123 -

What is the largest possible rectangle that can be inscribed in a circle of radius 25.?

Joel Logan -

Math, Algebra 2 help?

Phixion -

Execute each of the indicated multiplications. x(a+b)?

gbbg123 -

My history tests are 94, 98, and 88. I have one more test. All four tests are 95% of my grade.?

Grand Born -

Intermedit math algebra problem?

Kingoflions -

Can you help me with the first derivative?

Joel Logan -

Help in matrix question please?

MadMoe -

what does math too mean?

niki james -

Limit as n->infinity (1+(4/t)^t)?

Jackie D -

Math Help: Derivative of 4^(7x^(2))?

D_Generation_X -

Pros 4 Ratios and Proportions..?

cha-cha -

How to prove that if R is an equivalence relation, the inverse relation of R is as well?

mccube86 -

Math FrEaKs! In need!!!?

cha-cha -

howo do u expand X^2+5x-3?

coolmom -

Algebra II, ellipse/hyperbola graping question, how to get started graphing it?

8B8 -

Parabola standard form to factored form?

Michael -

Math question help? Did i do right?

Michael -

Find the coordinates and y-intercept?

CCAARLL!! That kills people! -

Math question! Solve for x? x^2 + 15x + x + 10 = 90?

dzhdhdfhd -