a.Without using the calculator, explain your steps in finding cot (−5r/6) b. Prove that (√(cosec?−1)/(cosec?+1))=(cot ? sin ?)/(1+sin ?) c. Solve 3 cos 2? + cos ? = 2 for 0 < ? < 360°.
a.Without using the calculator, explain your steps in finding cot (−5r/6) b. Prove that (√(cosec?−1)/(cosec?+1))=(cot ? sin ?)/(1+sin ?) c. Solve 3 cos 2? + cos ? = 2 for 0 < ? < 360°.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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a.Without using the calculator, explain your steps in finding cot (−5r/6)
b. Prove that (√(cosec?−1)/(cosec?+1))=(cot ? sin ?)/(1+sin ?)
c. Solve 3 cos 2? + cos ? = 2 for 0 < ? < 360°.
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