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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