Please help me with (a). Thank you! :)

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secondary 4 | A Maths
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secondary 4 A Maths Singapore

Please help me with (a). Thank you! :)

Date Posted: 5 years ago

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Date Posted: 5 years ago

5 years ago

Your answer is different from the answer sheet though.

Ong Chi Kiat, Nicholas

5 years ago

What’s the answer?

5 years ago

p/sqrt(1+p^2)

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So sorry I made a careless mistake

Date Posted: 5 years ago

5 years ago

Why does the first line equal to sinx?

Ong Chi Kiat, Nicholas

5 years ago

Using ur trigo identities of cos(a-b) and then computing the values of sin(pi/2) and cos(pi/2)

Ong Chi Kiat, Nicholas

5 years ago

U can refer to my previous photo

5 years ago

Ok! Thank you!