Please answer the following question(s): 1. Without using a calculator, find the exact values of sin 75°. Leave the answer as a fraction with a rational denominator. Hint: 75 = 30 + 45. Knowing the trigonometric values of 30° and 45°, we can use half angle formulae to estimate sin(75°) sin75° =

Q: tan a = −3 and the terminal arm of the angle a is in the second quadrant, explain how would you find…

A:

Q: In your answer, rationalize the denominator and write it in simplest form. If tan(θ)=3/5, and θ is…

A: Given data is : tanθ=35 To find the value of cosθ

Q: 2. Use only your knowledge of sin 60° to find the exact value of crd 120°.

A:

Q: Which of the following is NOT equal to cos(-576°)? DO NOT USE A CALCULATOR! Enter, a, b, c, d, or e.…

A: The given trigonometric expression .We have to find the expression that is not equal to the given…

Q: If csc thetha = 2, find the exact value of cos theta. Write your answer as an integer or simplified…

A:

Q: Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the…

A: Using the half angle formula find sin 15° , cos 15° and tan15°  , cos 15° and tan15° Use,      1…

Q: there are sin, cos and tan on the calculator keys. Can you tell how can you get the value of tan?

A: