Exam-style questions in the shape of Paper 1 and Paper 2, with full markschemes. Read the markscheme, or type, photograph or draw your answer and get it marked.
A survey team uses two points, and on level ground to locate the base of a vertical signal mast. Bearings are measured clockwise from north. Figure 1 is not to scale.
Use the plan view in Figure 1 to determine Give your answer in exact form.
Hence, or otherwise, determine the height of the mast. Give your answer in exact form.
In triangle the sides and are opposite the angles and respectively. Angles are measured in radians.
It is given that and
Determine all possible values of
Hence determine the corresponding values of
For the obtuse value of determine the exact value of
A circuit model represents the normalized voltage at phase by A controller operates at phase where During calibration, the normalized voltage at phase is
Starting from the compound-angle identities, derive the double-angle identities for and
Determine all possible exact values of
Unlock every question in this topic, then type, photograph or draw your answer and have it marked against the markscheme. Find out where you are dropping marks.