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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-HARDER SOLVED EXAMPLES
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- In a /\ABC, if A,B,C are in A.P., then: a/c (sin 2C) + c/a (sin 2A) ...
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- If cos^(-1) x + cos^(-1) y + cos^(-1) z = pi" , prove that " x^(2) + ...
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- If cos^(-1)(x/a) + cos^(-1) (y/b) = alpha show that : (x^2)/(a^2) - (...
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- Prove that tan{(pi)/4 + 1/2 Cos^(-1)((a)/(b))}+tan{((pi)/4-1/2 Cos^(-1...
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- If 0<a1<a2<ddot<an , then prove that tan^(-1)((a1x-y)/(x+a1y))+tan^(-1...
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- If a(1), a(2), a(3),...., a(n) is an A.P. with common difference d, th...
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- If alpha = tan^(-1) ((xsqrt(3))/(2y - x)) and beta = tan^(-1) ((2x - y...
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- Find the period of the function f(x) = tan (3x + 5).
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- Find the period of (i) sin 3x + cos 3x
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- Find the period of sin 5x - cos 5x.
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- Find the period of the function f(x) = sin((pi x)/3) + cos ((pi x)/2...
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- If m tan(alpha-theta)/( cos^2 theta) = n (tan theta)/ (cos^2 (alpha -...
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