1.

The value of (1+cos theta) (1-cos theta) cosec² theta =​

Answer»

Answer:

1

Step-by-step EXPLANATION:

(1+Cos THETA)(1-Cos theta)cosec^2 theta

(1-cos^2theta)cosec^2 theta

(sin^2theta)cosec^2theta

sin^2theta×1/sin^2theta

=1



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