15 × 8 is same as _________.
25≥8x−15 is same as x≤5.
If a1,a2,⋅⋅⋅,a15 are in A.P. and a1+a8+a15=15, then a2+a3+a8+a13+a14 equals
If sinA=817, find the value of secA cosA + cosecA cosA.
−1[a−3{b−4(a−¯¯¯¯¯¯¯¯¯¯¯¯b−8)+4a}+10] equals