Trigo Problem Sheet-1

5 3 39 if a is the acute angle such that sin a and b

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: = 0, show that θ is either a multiple of 2π π or a multiple of . 2 5 35. Given that f (x) = x2 + 1 − x cos α, find the least value of f (x) for the range 0 ≤ x ≤ 1 in each of the following cases: π π π π (i) 0 ≤ α ≤ (ii) ≤α≤ (iii) ≤ α ≤ π. 4 4 2 2 36. Solve the equation sin θ + sin 3θ + sin 5θ + sin 7θ = 0, for 0◦ < θ < 360◦ . 37. Find the general solution of cos 3θ = cos 2θ − sin θ. 38. By expressing sec 2x and tan 2x in terms of tan x, solve the...
View Full Document

This note was uploaded on 03/26/2013 for the course SENG 1 taught by Professor Mf during the Spring '13 term at UCL.

Ask a homework question - tutors are online