Business Calculus
If sin(Q)=16\(\sin\]\left\)(Q\(\right\))=\(\frac\)16, find csc(Q)\(\csc\]\left\)(Q\(\right\)) using trigonometric identities.
Is the following trigonometric equation an identity?
cosA1+sinA=1−sinAcosA\(\frac{\cos A}{1+\sin A}\)=\(\frac{1-\sin A}{\cos A}\)
Solve the following trigonometric equation for θ\(\theta\), where 0≤θ≤π0\(\leq{\theta}\]\leq{\pi}\).
cos2θ−cosθ=0\(\cos\)2\(\theta\)-\(\cos\]\theta\)=0
A triangle has sides p=6p=6 and q=8q=8 with angle R=30∘R=30^{\(\circ\)} between them. Calculate the length of side rr. Round your answer to two decimal places.
Calculate the value of cos23π8\(\cos\)^2\(\frac{3\pi}{8}\) using half angle formulas.