Asked by mien
in proving trigonometric identities if 1 + sin^2 theta is equal to 2 sin^2 theta + cos^2 theta. what is the correct answer?
Answers
Answered by
Reiny
prove : 1 + sin^2 Ø = 2sin^2 Ø + cos^2Ø
this one is really easy
LS = 1 + sin^2 Ø
= sin^2 Ø + cos^2 Ø + sin^2Ø
= 2sin^2 Ø + cos^2 Ø
= RS
this one is really easy
LS = 1 + sin^2 Ø
= sin^2 Ø + cos^2 Ø + sin^2Ø
= 2sin^2 Ø + cos^2 Ø
= RS
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