Answer to: Find exact value if \theta = 30^\circ. G(\theta) = \cos(\theta),\ find\ (2\theta) By signing up, you'll get thousands of step-by-step...
If tan theta = 10/9, and if cos theta is less than 0, find sin 2 theta. If tan theta = 10/9, and if cos theta is less than 0, find sec theta. If cos theta = 2 / 5 and tan theta less than 0, then find: a. sin (theta). b. tan (theta). c. cot (theta)...
Find dw} \over {dx, where w = \cos z - \cos 3x\cos 5y + \sin 3x\sin 5y and z = 3x + 5y. Use this equation to find dy/dx.9y cos x = x^2 + y^2 Find exact values for: cos (theta/2) If f(x) = \cos \pi x , find the exact value of a such that \fra...
Let \theta be an acute angle such that \tan \theta= 1/2. Find \sec \theta. Find the exact value of the remaining trigonometric functions of . tan = -8/15, cos < 0 sin = ___ (Simplify your answer. Type an exact answer, using ra...
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How do you find sin 75 without a calculator? sin(A + B) = sin A cos B + cos A sin B, we can find the sine of(45° + 30°)to give sine of 75 degrees. Secant (sec), cosecant (csc) and cotangent (cot) example | Trigonometry | Khan Academy ...
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(25)/7. Rearranging this equation results in sin(A) = sin(25)*12/7. Using a scientific calculator to find sin(25), carrying out the rest of the equation would show that sin(A) = 0.724. To find angle “A,” use the calculator to determine the inverse sine of 0.724. The answer ...
[2 Marks]Q 2. Evaluate the sine, cosine, and tangent of the angle without using a calculator. (If an answer is undefined, enter UNDEFINED.)225°[2 Marks]Q 3. Find the period and amplitude. Sketch the graph of the...
My drawing did not have enough detail maybe because in the end the calculator for theta was correct. It was launched from a building 20m high which I did not include in the drawing, and the theta I calculated was the angle at the bottom near the impact site. Maybe that clears it up,...