Simplify the equation sin^2θ(1 + cot^2θ)
A). 1
B). sin^2¸
C). sec^2¸
D). sin^2¸sec^2¸
2. The value of $cos^{2}20° + cos^{2}270°$ is
4. If PA and PB are tangents of a circle with centre o such that $\angle$=50 then $\angle$OAB
5. If sin x = 3/5, and 0° < x < 90°, the value of tan x + sec x is:
7. What is the minimum value of 4 sin2 θ + 6 cos2 θ?
9. Minimum and maximum value of sin(sin x) are
10. The value of cos1° sin89° + cos2° sin88° + cos3° sin87° + …. + cos89° sin1°, is