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. WebTrigonometry. Solve for ? 2sin (theta)^2-sin (theta)-1=0. 2sin2 (θ) − sin(θ) − 1 = 0 2 sin 2 ( θ) - sin ( θ) - 1 = 0. Factor by grouping. Tap for more steps... (2sin(θ)+1)(sin(θ)−1) = 0 ( 2 sin ( θ) + 1) ( sin ( θ) - 1) = 0. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be ...
sinθ=cos θ
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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. WebTo solve a trig equation, transform it into one, or many, basic trig equations. Solving a trig equation, finally, results in solving various basic trig equations. There are 4 main basic trig … WebDec 19, 2016 · pi/6, pi/2, (5pi)/6 9 - 9sin theta = 6cos^2 theta Replace cos^2 theta by (1 - sin^2 theta) 9 - 9sin theta = 6(1 - sin^2 theta) = 6 - 6sin^2 theta or 6sin^2 theta - 9sin theta + 3 = 0 Solve this quadratic equation for sin theta. Since a + b + c = 0, use shortcut. There are 2 real roots: sin theta = 1 and sin theta = c/a = 3/6 = 1/2 Use trigonomteric table of special … highline medical