Exercise - 3.1
Chapter 2: Chapter 3 · Knowledge Base · EN medium
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. Identify the quadrant in which an angle of each given measure lies (i) ◦ (ii) ◦ (iii) − ◦ (iv) ◦ (v) − ◦ . For each given angle, find a coterminal angle with measure of θ such that ◦ ≤ θ < ◦ (i) ◦ (ii) ◦ (iii) ◦ (iv) − ◦ (v) − ◦ . If a cos θ − b sin θ = c , show that a sin θ + b cos θ = ± a + b − c . . If sin θ + cos θ = m , show that cos θ + sin θ = − ( m − ) , where m ≤ . . If cos α cos β + sin α sin β = , prove that (i) sin α + sin β = sin α sin β (ii) cos β cos α + sin β sin α = . . If y = sin α + cos α + sin α , then prove that − cos α + sin α + sin α = y .
📖 Namma Kalvi 11th Maths Textbook Volume 1 English Medium · Page 100
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. Identify the quadrant in which an angle of each given measure lies (i) ◦ (ii) ◦ (iii) − ◦ (iv) ◦ (v) − ◦ . For each given angle, find a coterminal angle with measure of θ such that ◦ ≤ θ < ◦ (i) ◦ (ii) ◦ (iii) ◦ (iv) − ◦ (v) − ◦ . If a cos θ − b sin θ = c , show that a sin θ + b cos θ = ± a + b − c .
. If sin θ + cos θ = m , show that cos θ + sin θ = − ( m − ) , where m ≤ . . If cos α cos β + sin α sin β = , prove that (i) sin α + sin β = sin α sin β (ii) cos β cos α + sin β sin α = .
. If y = sin α + cos α + sin α , then prove that − cos α + sin α + sin α = y .
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