Manipulate trigonometric expressions, sketch graphs of trigonometric functions and solve equations.
Find the general solution of the following trigonometric equations:
b) 2sin^2 x - 5cosx+ 1 = 0
2. Prove: cos(θ+ pi/4) - sin(θ + pi/4) = 2cos(θ+ pi/4)
Please find the attachment for the solutions of ...
Trigonometric equations are solved and identities are proven. The solution is detailed and well presented. The response was given a rating of "5/5" by the student who originally posted the question.