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. thanks
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Hello, coremaths! (1) Prove: . On the right: . . . . . . . . . 2) Hence or otherwise, solve this equation: . We have: . Then: . And: . . .
hi there 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. thanks
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