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Question No. 23, Question No. 24
190 Views • Sep 01, 2015
Description
Toolkit for Exercise 9.4
Prove the following identity:
Question No. 23
Q23: 1/(1+sinθ)+1/(1−sinθ)=2sec^2 θ
Question No. 24
Q24: (cosθ+sinθ)/(cosθ−sinθ)+(cosθ−sinθ)/(cosθ+sinθ)=2/(1−2sin^2 θ" " )
Exercise No. 9.4
Chapter No.9
Fundamentals of Trignometry
maths
part 1
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