Answer:
2sin50 cos20
Step-by-step explanation:
We need to write sin (70) + sin(30) as a product. The formula used here is :
Here, A = 70 and B = 30
So,
So, the value of sin (70) + sin(30) is 2sin50 cos20. Hence, the correct option is (c).
What is the equation of a line that passes through the point (4, 2) and is perpendicular to the line whose equation is y=x/3 −1
2 answers:
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