Prove the identity: 2sin^(-1)(x) = cos^(-1)(1 - 2x^2), x greater than or equal to 0. Prove where n_1\sin i = n_2\sin \theta. \frac{2n_1\cos i}{n_2 \cos i + n_1\cos \theta} = \frac{2 \cos i \sin \theta}{\sin(i + \theta)...
What is the value of sin(2\theta) if cos (\theta) = - \frac{\sqrt{2 {2} and 90^o < \theta < 180^o? What is the approximate value of t? 25e^{0.7t - 1}* e^{0.3t + 2 }= 50 If x^2 = 47, then what is the approximate value of x? What is the value of \frac{\...
If sinx = \frac{4}{5}, find the value of \frac{cosec x}{1 + cot x}. Find the exact value for sin(pi - pi/6). Compute the linearization L at the given value. f(x) = tan x at a = pi/3 Find the value of the function f(x) = 3 cos(x) at x = pi/2. Find \frac...