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If tanx+secx=sqr rt 3, 0 Ans) sec2x=(√3-tanx)2 1+tan2x=3+tan2x-2√3tanx 2√3tanx=2 tanx=1/√3 x=30degree
Ans) sec2x=(√3-tanx)2
1+tan2x=3+tan2x-2√3tanx
2√3tanx=2
tanx=1/√3
x=30degree
The center of a national park is located at (0,0). A special nature preserve is bounded by by straight lines connecting the points A at (3,2), B at (5,1), C at (8,4) and D at (6,5)
why it is hard?
The equation ax2 + 2hxy + by2 =0 represents a pair of straight lines passing through the origin and its angle is tan q = ±2root under h2-ab/(a+b) and even the eqn ax2+2hxy+by2+2gx+
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squaring both the sides,tan2x + sec2x +2tanxsecx = 3put sec^2x = tan2x +1and take 2tanx common,2tanx(tanx+sec)=2sqrrt3(tanx)=1therefore tanx = 1/rt3x=30
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