Math, asked by Bunnyshivani, 10 months ago

Value of sin 130 cos 140 + cos 130 sin 140

Answers

Answered by vavilalamahesh76

4

Answer:

sin130cos140+cos130sin140

Step-by-step explanation:

it is the formula of sin (A+B) A=130,B=140 sin (270) sin (180+90) -sin90 =-1

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