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sin3θ = cos2θ find the most general values of θ satisfying the equatios?sinax + cosbx = 0 solve ?Solution) sin (3x)= sin(2x + x)= sin(2x)cos(x) + cos(2x)sin(x)= 2sin(x)cos(x)cos(x) + (1 - 2sin² (x) ) sin(x)= 2sin(x)cos² (x) + sin(x) - 2sin³ (x)= 2sin(x) ( 1 -sin² (x) ) + sin(x) - 2sin³ (x)= 2sin(x) -2sin³ (x) + sin(x) - 2sin³ (x)= -4sin³ (x) + 3sin(x)= 3sin(x) - 4sin³ (x)
2=42gf
In a periscope, a pair of mirrors is mounted parallel to each other as given. The path of light becomes a transversal. If ∠2 evaluate 50°, what is the evaluation of ∠3? a. 50°
If ABCD isaa square of side 6 cm find area of shaded region
Prove that sec 2 θ+cosec 2 θ can never be less than 2. Ans: S.T Sec 2 θ + Cosec 2 θ can never be less than 2. If possible let it be less than 2. 1 + Tan 2 θ + 1 + Cot
two numbers differ by 7 and have a product of 120.what are they ?
3x3
Vector theories
Each of the series 3+5+7+..... and 4+7+10.......... is continued to 100 terms find how many terms are identical. Ans) 48 terms would be common to both the series... first take co
Factors in Denominator and Partial Fraction Decomposition Factor in denominator Term in partial fraction decomposition ax + b
HOW DO CHILDREN LEARN? : Have you ever tried teaching a young child what "ball" means? Did you do it by a lot of verbal description" Or did you let the child actually handle a b
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