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secondary 4 | A Maths
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Hi, I could not get the answer, could anyone help me.Thank you
Date Posted: 2 years ago
Views: 390
Both are correct, but the two constants are not the same constants.
The two “c”s have different values.
Think of trigonometric identities involving the two expressions.
The two “c”s have different values.
Think of trigonometric identities involving the two expressions.
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Please check if it is correct
Date Posted:
2 years ago
Think again...
What happens if cos 2x is converted into “1 - 2 sin^2 x” instead?
What happens if cos 2x is converted into “1 - 2 sin^2 x” instead?
And you missed out a “1/2” at the end...
Oh, yes. U r right
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This is the right working. Thanks to the other master
Date Posted:
2 years ago
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