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The value of sin50^(@)-sin70^(@)+sin10^...

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

A

0

B

1

C

`(1)/(2)`

D

`(1)/(sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`sin50^@+sin10^@-sin70^@`
`=2sin30^@cos20^@-cos20^@`
`rArr cos 20^@(2xx(1)/(2)-1)=0`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 02-Paper 2 (Mathematics )
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