I know this is below most of those that peruse these forums, but I've been giving myself an ulcer trying to figure these silly things out.(adsbygoogle = window.adsbygoogle || []).push({});

The first problem starts out as

(1-sin^2(x))(1+tan^2(x))=1

and I've got it down to

(sin^2(x)/tan^2(x))-sin^2(x)=1

but from there I've got no idea.

The second was

(1+cot(x))/csc(x)=(1+tan(x))/sec(x)

and I've got the right side down to

(cos/1)+(1/csc)

but how that becomes (1+cot(x))/csc(x)is beyond me.

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# Trouble in pre-cal, proofs

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