WebMar 13, 2016 · Explanation: using appropriate Addition formula. ∙ sin(A± B) = sinAcosB ± cosAsinB. hence sin( π 2 − θ) = sin( π 2)cosθ − cos( π 2)sinθ. now sin( π 2) = 1 and cos( π 2) = 0. hence sin( π 2)cosθ − cos( π 2)sinθ = cosθ − 0. ⇒ sin( π 2 −θ) = cosθ. WebSolve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.

What is F=BILSin (theta)? - Quora

WebSep 28, 2024 · There's no solution in C if A = B = 0 and C = 1 ;) – Matthew H. Sep 28, 2024 at 23:17 Add a comment 0 A sin θ + B cos θ = C use the identity cos θ = ± 1 − sin 2 θ so A sin θ ± B 1 − sin 2 θ = C ± B 1 − sin 2 θ = C − A sin θ B 2 ( 1 − sin 2 θ) = ( C − A sin θ) 2 let x = sin θ B 2 ( 1 − x 2) = ( C − A x) 2 2 2 2 2 2 + 2 ( 2) + ( 2 2 0 Weby, prime, equals, open bracket, e, start superscript, x, end superscript, left parenthesis, sine, x, plus, cosine, x, right parenthesis, close bracket how to send an efax with outlook

Trigonometric Identities - Math is Fun

WebIf \\( A=\\tan 27 \\theta-\\tan \\theta \\) and \\( B=\\frac{\\sin \\theta}{\\cos 3 \\theta}+\\frac{\\sin 3 \\theta}{\\cos 9 \\theta}+\\frac{\\sin 9 \\theta}{\\cos 27 ... WebSep 30, 2024 · 1 answer. "sin" is often used as a shorthand way of writing sinθ. technically, "sin" by itself is just the name of the function, and it has no value until a θ is specified. Sometimes when manipulating a long equation or expression, the θ is assumed … WebMay 24, 2024 · B is the magnetic field strength (or flux density) of the field the charge is in (I.e The number of magnetic field lines per unit area) - measured in Teslas (T). I is current of the current - measured in amperes (A). L is the length of conductor in the magnetic field - … how to send an email again in outlook