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The value of is:
Find value of cos 1o cos 2o cos 3o ………….. cos 179o
If 4tanθ = 3, then is
Consider Δ PRQ, right-angled at R, in which PQ = 29 cm, PR = 20 cm and ∠PQR = θ. Determine the value of cos2θ – sin2θ.
The value of x, if
In a ΔABC, right-angled at B, if tanA = , then find the value of 13sinAcosA.
If P lies in the first quadrant and 4tan P = 3, then the value of will be:
if θ is the positive acute angle and sin θ – cos θ = 0, then find value of sec θ + cosec θ
If 3cosθ−4sinθ = 0 , what is the value of
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Oct 14SSC & Railway