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The correct answer is D
If x = (sin 30 ° + cos 30 ° )/sec 60 ° , then find the value of 4x.
If sin 28° = 15/17 , then tan 62° = ?
The minimum value of 3 sin2 θ + 4 cos2 θ is
...If Sinθ + Cosθ =√2 Cos(90 -θ ), then find the value of Cotθ ?
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Given that 'θ' is an angle less than 120 ° , what is the value of 'θ' if it satisfies the equation 3cos 2 θ = 2 + sin 2
If sin(x-y) = 1 and cos(x+y) = 1 /√2 then what is measure of angle x.
A man observes the top of a tower at an angle of elevation of 30°. He walks 100 meters closer to the tower, and the angle of elevation becomes 60°. If...
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
From a point "A" on the ground, the angle of elevation to the top of a tower measuring 12 meters in height is 30°. Determine the horizontal distance be...
