Math, asked by manohar2003, 10 months ago

if cosp+sinp=√2cosp show that cosp-sinp=√2sinp​

Answers

Answered by poweruffgirls11228
3

cosp+sinp=√2cosp

cosp=√2cosp-sinp ;-its  eqn 1

now,

cosp-sinp (substituting from eqn 1)

=√2cosp-sinp-sinp

=√2cosp

hence proved


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