hey can someone show me how to solve these questions.....thanks
(1) Prove 1 + sin theta - cos theta = 2 sin (1/2 theta) [ cos (1/2 theta) + sin (1/2 theta) ]
(2) hence or otherwise, solve this equation
1 + sin theta - cos theta = 0.
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Hello, coremaths! (1) Prove: .
On the right: . . . . . . . . . 2) Hence or otherwise, solve this equation: .
We have: .
And: . . .
thanks for the reply, would you mind just explaining question 1, in a bit more depth as i don't understand how u got the sin theta and 1 - cos theta.
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