6. PQR is a right angle triangle. QS is perpendicular to PR, and PQ has length 1. 1) Find QS and PS in-terms of 0.

2) By considering triangle QSR, find an expression for SR.

3) By considering triangle PQR, find PR in-terms of e.

4) Hence, show that
cos A = sec 0 -sin o tan 0.

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BLASIANNkidd

16.06.2022

Mathematics

60 degrees

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6. PQR is a right angle triangle. QS is perpendicular to PR, and PQ has length 1. 1) Find QS and PS in-terms of 0.2) By considering triangle QSR, find an expression for SR.3) By considering triangle PQR, find PR in-terms of e.4) Hence, show thatcos A = sec 0 -sin o tan 0.