Grade 12th passTrigonometry
prove the value of sinA+sin(A+B)+sin(A+2B)+......+sin(A+(n-1)B)
prove the value of sinA+sin(A+B)+sin(A+2B)+......+sin(A+(n-1)B)
1 Answer
Vikas TU
Dear student
Please write the value of RHS ,
What do you want me to proove ?
We will help you ,
Goo luck
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