If , then…

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

If

\sum_{i=1}^{n}\cos\theta_i=n

, then

\sum_{i=1}^{n}\sin\theta_i

is (1)

n-1

(2)

0

(3)

n

(4)

n+1

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