- Cos^2 75 degrees - sin^2 75 degrees Help please? I have no idea how to solve.?

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A star has a peak electromagnetic wavelength of 614nm. what is the star s surface temperature? The time needed for the potential energy stored by the circuit to be equal btwn the capacitor & inductor. The C is 30.0 mF & L is 35.0 H.? A 1,000 kg sports car accelerates from zero to 30 m/s in 5.0 s. What is the average power delivered by the automobile engine? Calc HW. Use the information to evaluate and compare Δy and dy. Round your answers to four decimal places.y = x^4 + 6 x = −2 Δx = dx =0.01? An amount of work equal to 15 J is required to compress the spring in a spring-gun. What is the “launch speed” of a 150-gram marble?

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