Question

Reason (R): V2+12+12+......
12+12+12+......n terms=2cos
oth A and R are correct and R is the correct explanation of A
h A and R are correct but R is not the correct explanation
c) A is correct, R is incorrect
d) A is incor
The value of sin 40°. sin 100°. sin 20° is
a) Both A and
b) Both A and R
b) V3
C) V3
.cos O is
The value of 4 sin ().cos
.cose is​

Answer 1

Step-by-step explanation:

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Answer 2

correct answer is v3 .....

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