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20h
comment Precalculus/Trigonometric Functions of Sine, Cosine, and Tangent with given parameters?
Upvote for the edit. OP probably doesn't know how to solve a right triangle!
20h
comment Precalculus/Trigonometric Functions of Sine, Cosine, and Tangent with given parameters?
OP, the first step that you should take is to solve the two [right] triangles that are represented in the prompt. Every single one of these comments and answers seems to assume that you know how to do this, but I'm guessing you do NOT.
21h
comment What is an order of an element of a partition"?
You did notice that "order of an element" is defined in II. General Concepts, right?
2d
comment find value or prove limit doesn't exist.
Just in case English isn't your first language, allow me to suggest that you capitalize the first letter of each sentence, capitalize the first-person pronoun "I", and NEVER USE "DUNNO" - instead, use "don't know" or "do not know".
2d
comment What's the solution to this puzzle?
(Hence $ 8 + 11$ would equal $8(1 + 11) = 8(12) = 96$
2d
comment What's the solution to this puzzle?
This would essentially be a misuse/abuse of the + notation, but it appears as though $$ x + y := x(1 + y)$$
Mar
17
comment $\int_0^5 \frac{dx}{x^2-x-2}$
@AndréNicolas But how bad is it?!? :)
Mar
11
comment Solve the following equation for x assuming all constants are non-zero.
W, can you explain your first step? There is certainly an error.
Mar
6
awarded  Yearling
Feb
29
awarded  Announcer
Feb
27
comment Linear Programming #3
No. You can remove all the numbers after the decimal places on your own! Then calculate C for each point and compare.
Feb
27
comment Linear Programming #3
Honestly, I do these every year with my students and can't recall a time when fractions came into play. I would round down, then calculate the C value of each rounded point.
Feb
27
comment Linear Programming #3
If you round up, you'll no longer be within the constraints.
Feb
26
comment If $\sin A = \sin B$ and $\cos A = \cos B$
Have you seen the unit circle?
Feb
23
comment “If everyone in front of you is bald, then you're bald.” Does this logically mean that the first person is bald?
en.wikipedia.org/wiki/Vacuous_truth
Feb
23
answered How to solve 4 variables
Feb
23
comment In what base does “100” equal “4 in base 10”
^that is a rather absurd line of reasoning.
Feb
23
comment What is $346_7 + 165_7 $when expressed in base-$7$?
Sure. You could also rule out $511$, their sum in decimal, and $277$ (for the leftmost digit being too small).
Feb
23
answered What is $346_7 + 165_7 $when expressed in base-$7$?
Feb
16
revised Solve $3 = -x^2+4x$ by factoring
typo