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The angle of depression of vertex of a regular hexagon lying in a horizontal plane, form the top of a tower of height 135 m located at the centre of the...
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If tan θ = (2/√5), then determine the value of cos2 θ
If 2ycosθ = x sinθ and 2xsecθ – ycosecθ = 3, then x 2 + 4y 2 = ?
If 30sin4theta; + 45 cos4theta; = 18 . Then find the value of 216 cosec6theta; + 64 sec6
- Find the value of sin²50° + sin²40°.
The maximum value of 45 sin θ + 28 cos θ is:
Find the value of `1/2` cosec 10 - `2/(cosec 70)` ?
Find the simplified value of the following expression if a = 30o
[(sin2a + cos2a} ÷ seca × sina ÷ cosa]
...If Sin θ + Cos θ = √2 Cos(90 - θ ), then find the value of Cot θ ?
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