Math, asked by shubhamgupta454, 3 months ago

13 Find the value of the expression
(1-cos2a ) sec2a.

Answers

Answered by arivumathis2000

0

Step-by-step explanation:

(1-cos2a)*sec2a=sec2a-cos2a(sec2a)

wkt cosa*seca=1

(1-cos2a)*sec2a=sec2a-1

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