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If 7sin2?+3cos2? = 4, show that tan? = 1/√3 .
Ans: If 7 Sin2? + 3 Cos2? = 4 S.T. Tan? 1/√3
7 Sin2? + 3 Cos2? = 4 (Sin2? + Cos2?)
⇒ 3 Sin2? = Cos2?
Sin 2? / Cos 2? = 1/3
⇒ Tan2? = 1/3
Tan? = 1/√3
You know the experation for the area of a circle of radius R. It is Pi*R 2 . But what about the formula for the area of an ellipse of semi-minor axis of length A and semi-major
00000000110 write in scientific notation
1. A survey line on campus is measured to be 1000.00 ft long on horizontal ground. The elevation of the line is 700.00 feet and the geoid separation from ellipsoid to geoid is -110
Find the normalized differential equation which has { x, xe^x } as its fundamental set
why this kolavari di?
construct the green''s function that satisfies dG''''-(2x+1)G''+(x+1)G=delta(x-s), G(0,s)=G(1,s)=0
Trig function
suresh invested rs.1080 in shares of face value rs.50 at rs.54.After receiving dividend on them at 8% he sold them at 52.In each of the transaction he paid 2 % brokerage.Hpw much d
what value of k is he sequence 2k+4,3k-7,k+12 are in an arithmetic sequence is
Brian's 100-yard dash time was 2.68 seconds more than one school record. Brian's time was 13.4 seconds. What is the school record? The school record is less than Brian's time.
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