Explore BrainMass
Share

Solve Trigonometry - Based Proof

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

Question:

a) Prove that tan 15degrees = 2 - sqrt(3).

b) Solve, for 0 </= theta < 360 degrees,
sin (theta + 60 degrees)sin (theta - 60 degrees) = (1 - sqrt(3)) cos^2(theta)

© BrainMass Inc. brainmass.com March 21, 2019, 4:30 pm ad1c9bdddf
https://brainmass.com/math/trigonometry/solve-trigonometry-based-proof-188806

Solution Preview

Solution of part(a)

tan(a - b) = [tan a - tan b]/[1 + (tan a)(tan ...

Solution Summary

This solution looks at finding the solution in (a) by rationalizing the function as well as the solution to (b), with step by step calculations provided in an attached Word document.

$2.19