transform the first expression into the second. sin t tan t cos t, cos t sin...

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transform the first expression into the second. sin t tan t cos t, cos t sin t' 1-sin² t sin t cos t 1- cos² t sin t tan t sin t + cost, 1 cos t 1-cos² t cos't cos² t 1-sin t' use trigonometric identities to 1 tan t 1 1-sin cos t tant cos t sin t tan² t 1 + sin t 1 COS ! (sin t - cos t)², 1-2 sint cos t 1+ sin t' sin² t 2 cos transform the first expression into the second. sin t tan t cos t, cos t sin t' 1-sin² t sin t cos t 1- cos² t sin t tan t sin t + cost, 1 cos t 1-cos² t cos't cos² t 1-sin t' use trigonometric identities to 1 tan t 1 1-sin cos t tant cos t sin t tan² t 1 + sin t 1 COS ! (sin t - cos t)², 1-2 sint cos t 1+ sin t' sin² t 2 cos