PDF chapter test TRY NOW
1. Find the value of \theta if cos \ \theta = 0.0410
Answer:
\theta =
2. Find the value of \theta if tan \ \theta = 7.5958
Answer:
\theta =
3. Verify 1 + tan^2 \ 30^{\circ} = sec^2 \ 30^{\circ}.
Answer:
LHS: 1 + tan^2 \ 30^{\circ} =
RHS: sec^2 \ 30^{\circ} =
Since LHS = RHS, then 1 + tan^2 \ 30^{\circ} = sec^2 \ 30^{\circ}.
Hence, we proved.