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If $$ {secθ+tanθ\over secθ - tanθ} $$= $$ 2{51\over 79} $$ sinθ then the value of sin θ is :
909 05def36da6d799a05c00a41feA tower standing on a horizontal plane subtends a certain angle at a point 160 m apart from the foot of the tower. On advancing 100 m towards it, the tower is found to subtend and angle twice as before. The height of the tower is
2673 15d931a116819c079458b7c82The value of $$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ is:
1005 05dccdc8eef0a14548c1d4fffPut A=45 degree and we can get answer.
If tan $$ -{7π\over4}=x $$ then the value of x is :
902 05e818954d063766356924b99