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4. V2cos(A – B) = 1, 2sin (A + B) = V3, Where A, B< 90° and P =V2. a. Find the value of A + B and A - B. b. Determine the value of A and B. c. Solve: sino + coso = P.

4. V2cos(A – B) = 1, 2sin (A + B) = V3, Where A, B< 90° and P =V2. a. Find the value of A + B and A - B. b. Determine the value of A and B. c. Solve: sino + coso = P.

Advanced Engineering Mathematics
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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plz solve 4,5,6

4. VZcos(A – B) = 1, 2sin (A + B) = V3, Where A, B< 90° and P =Vz. a. Find the value of A + B and A - B. b. Determine the value of A and B. c. Solve: sin0 + cos0 = P. 5. 2cos(A + B) = 1 = 2sin(A -B). a. According to the stem established two equations of A+ B and A - B. 2tana b. Find the value of A and B also show that, tan2A 1- tan- A c. Find the value of 3 cot (B + 60) - cosec2(B + 45) + 5 sin?(B + 30) 4 cos ( B + 45). 6. X-y a la In figure, ABC is a triangle then a.lf sin(90° - a) = then find the value of sina – cosa. b. Prove that, Zx = 45° and ZY = 15°. cosA + sinA 3+1 C. If cosA - sina then show that, ZA = 2ZB. 7. Scenario-1: Scenario-2: sece+cosece = 2, sece.cosece a, If 5sina – 4 = 0, then find the value of tana where a is acute angle. b. According to Scenario-1 find the value of 2C if 10 c. Determine the value of 0 from Scenario-2. AB" - 7 4 = 0.
Transcribed Image Text:4. VZcos(A – B) = 1, 2sin (A + B) = V3, Where A, B< 90° and P =Vz. a. Find the value of A + B and A - B. b. Determine the value of A and B. c. Solve: sin0 + cos0 = P. 5. 2cos(A + B) = 1 = 2sin(A -B). a. According to the stem established two equations of A+ B and A - B. 2tana b. Find the value of A and B also show that, tan2A 1- tan- A c. Find the value of 3 cot (B + 60) - cosec2(B + 45) + 5 sin?(B + 30) 4 cos ( B + 45). 6. X-y a la In figure, ABC is a triangle then a.lf sin(90° - a) = then find the value of sina – cosa. b. Prove that, Zx = 45° and ZY = 15°. cosA + sinA 3+1 C. If cosA - sina then show that, ZA = 2ZB. 7. Scenario-1: Scenario-2: sece+cosece = 2, sece.cosece a, If 5sina – 4 = 0, then find the value of tana where a is acute angle. b. According to Scenario-1 find the value of 2C if 10 c. Determine the value of 0 from Scenario-2. AB" - 7 4 = 0.
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