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1. 2 cos(A+ B) = 1 = 2sin (A – B) where A and B are acute angles. a. Find the value of cot? 60°.cosec230°. b. Find the value of A and B. 2tana c. Show that, sin2A = 1+tan2 A

1. 2 cos(A+ B) = 1 = 2sin (A – B) where A and B are acute angles. a. Find the value of cot? 60°.cosec230°. b. Find the value of A and B. 2tana c. Show that, sin2A = 1+tan2 A

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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1. 2 cos(A + B) = 1 = 2sin (A – B) where A and B are acute angles. a. Find the value of cot? 60°.cosec230°. b. Find the value of A and B. 2tana c. Show that, sin2A = 1+tan? A 2. cos(A – B) = 1,2 sin(A + B) = v3 where A and B are acute angles. a. Find the value of cot? 60°.cosec230°. b. Find the value of A and B. 2tana c. Show that, tan2A = 1-tan? A 3. sine = a , cose = b and 0° < 0 < 90° a. Find the value of tane – cot0 b. If a + b = 1, then 0 = what? V3-1 show that, 0 = 30°. V3+1' b-a с. If b+a %3D
Transcribed Image Text:1. 2 cos(A + B) = 1 = 2sin (A – B) where A and B are acute angles. a. Find the value of cot? 60°.cosec230°. b. Find the value of A and B. 2tana c. Show that, sin2A = 1+tan? A 2. cos(A – B) = 1,2 sin(A + B) = v3 where A and B are acute angles. a. Find the value of cot? 60°.cosec230°. b. Find the value of A and B. 2tana c. Show that, tan2A = 1-tan? A 3. sine = a , cose = b and 0° < 0 < 90° a. Find the value of tane – cot0 b. If a + b = 1, then 0 = what? V3-1 show that, 0 = 30°. V3+1' b-a с. If b+a %3D
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