Find the value of cos47°sin17°–sin47°cos17
Answers
Answered by
1
Answer:
Mark as brainliest!!!!!!!!!!!!!
Step-by-step explanation:
by using the formula
sin(a-b)=sina*cosb-cosa*sinb
here a=47 and b=17
therefore
sin(47-17)=sin30
=> sin 30=1/2= rhs
Similar questions