a) Find the square root 14+ 4√6. b) If ƒ(r) = (2+1), show that ƒ(r) — ƒ(r+1) = r(r+1}(r+2). Hence, or otherwise, f Σr=1 7(r+1)(x+2) c) Prove the identity (tan+sec )² = 1+in
a) Find the square root 14+ 4√6. b) If ƒ(r) = (2+1), show that ƒ(r) — ƒ(r+1) = r(r+1}(r+2). Hence, or otherwise, f Σr=1 7(r+1)(x+2) c) Prove the identity (tan+sec )² = 1+in
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
Related questions
Question
B and C Needed correctly in 10 minutes and get the thumbs up please show neat and clean work
Transcribed Image Text:(a) Find the square root 14+4√6.
(b) If f(r) = (+1), show that f(r)-f(r+1) = (+1)(+2). Hence, or otherwise, find
Σr=1 (r+1)(r+2)
(c) Prove the identity (tan+sec )² = 1+
1-ain 8
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