Home
Class 11
MATHS
Value of sin50^@ -sin70^@ + sin 10^@ is...

Value of `sin50^@ -sin70^@ + sin 10^@ ` is equal to

A

1

B

0

C

`(1)/(2)`

D

2

Text Solution

Verified by Experts

Given expression, `sin50^(@)-sin70^(@)+sin10^(@)`
`" "=2cos((50^(@)+70^(@))/(2))*sin((50^(@)-70^(@))/(2))+sin10^(@)`
`" "=-2cos60^(@)sin10^(@)+sin10^(@)`
`" "=-2*(1)/(2)sin10^(@)+sin10^(@)=0`
Promotional Banner

Similar Questions

Explore conceptually related problems

The value of sin50^(@) - sin70^(@)+sin10^(@) is equal to

The value of sin50^(@) - sin70^(@)+sin10^(@) is equal to

The value of sin 50^(@) - sin70^(@) + sin 10^(@) is equal to

sin50^@-sin70^@+sin10^@ is equal to

The value of sin50^9(@) – sin 70^(@) + sin 10^(@) is equal to

The value of sin 50^(0)-sin 70^0+sin 10^0 is equal to a. 0 b. 1 c. 2 d. 1//2

The value of sin 10^(@) sin 50^(@) sin 70^(@) is equal to