1.

If 15 tan Φ = 8 Find the value of cos Φ and cosec Φ ​

Answer»

15 tan ¢ =8 tan¢ =8/15Perpendicular=8 unitsBase=15 unitshypotenuse=?LET HYPOTENUSE be X,base be Y and perpendicular be ZX²=Y²+Z²X²=15²+8²X²=225+64X²=289X=√289X=17unitsCos¢=base/hypotenuse =15/17Cosec¢=hypotenuse/perpendicular =17/8



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