" 19.(a) "sin2x

The simplified value of/सरलीकृत मान ज्ञात करें: (sin^3 21+cos^3 19)/(sin 21+ cos19) +sin^2 69+cos^2 71+ 1/(sec69. cosec 71)

Show that sin 19^(@) + sin 41^(@) + sin 83^(@) = sin 23 ^(@) + sin 37^(@) + sin 79^(@).

sin ^ (2) 6x-sin ^ (2) 4x = sin2x sin10x

Which of the following function is always increasing? a) x+sin2x b) x-sin2x c) 2x+sin3x d) 2x-sinx

y=x^(sin2x)

y=x^(sin2x)

Estimate the absolute value of the integral int_(19)^(19)(sin x)/(1+x^(8))dx