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UNITED BOOK HOUSE-Trigonometric Ratios of Complementry Angle-Exercise
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- Value of [cos(40^@ + theta) - sin (50^@ - theta)] is
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- If alpha + beta = 90^@ and cot alpha = 4/3 then cot beta =
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- If 0^@ < theta < 20^@ and cos^2 6theta - cos 6theta = 0, then the valu...
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- If tan 2alpha = cot 2beta, then sec(alpha + beta) =
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- If tan 2theta . Tan 3 theta =1, then sin5theta =
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- If sec(90^@ - alpha) = 4 - cosec alpha (0^@ < alpha < 90^@), then the ...
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- Calculate the slope of a line, that passes through the origin, and the...
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- Sin 2A = 2sin A is true when A =
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- It A + B = 90^@, then (tan A tan B + tan A cot B)/(sin A sec B) - (sin...
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- If tan A = cot B, then prove that A + B = 90°.
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- (sin^2 22^@ + sin^2 68^@ + cot^2 68^@) equals
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- (2 tan 30^@)/(1 - tan^2 30^@) is equal to
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- If theta and (2theta - 45^@) are acute angles such that cosec theta co...
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- A, B and C are interior angles of a triangle ABC, then sin ((B + C)/(2...
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- The value of tan 10^@ tan 15^@ 75^@ tan 80^@ is
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- If 5theta and 4theta are acute angles satisfying sin 5theta = cos 4the...
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- [sin^2 1^@ + sin^2 2^@ +sin^2 3^@ + ……………….. + sin^2 87^@ + sin^2 88^@...
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