sin10sin20sin30sin3600sin10sin20sin30sin40sin180si
sin10+sin20+sin30+....+sin360=0sin10+sin20+sin30+sin40+...sin180+sin(360-170)+......+sin(360-40)+sin(360-30)+sin(360-20)+sin360-10)+sin360sin360-x=-sinxhence all terms cancel and sin10+sin20+sin30+....+sin360=0
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tan9x tan7x tan2x1 - tan7xtan2xhere its given1 - tan2xtan7x 0impliestan9x infinitysincetan9x 3tan3x - tan33x1 - 3tan2 3x infinityimplies1-
the sides of a triangle are x2 x1 2x1x2-1 prove that the largest angle is 120 degrees and find range of x ans the biggest side is x2 x 1so findout
accelaration is the rate of change of velocityit defines how velocity is chaging with respect to
a boy standing in the middle of a field observes a flying bird in the north at an angle of elevation fo 30 degree and after 2 min he observes the
sin10sin20sin30sin3600sin10sin20sin30sin40sin180sin360-170sin360-40sin360-30sin360-20sin360-10sin360sin360-x-sinxhence all terms cancel and
if tanxsecxsqr rt 3 0ltxlt180 then x is equal toans
two stable isotopes of lithium and have respective abundances of 75 and 925 these isotopes have masses 601512 u and 701600 u respectively find the
the points abc and d represent the numbers z1z2z3 and z4abcd is rhombusac2bdif z22i z41-2ifind z1 and z3ans poi of diagonals 3-i2using concept of
during a flame test why is calciums flame not persistent while that of strontium isans because it does not have many ions as compared to the
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