Question
a = x(sin A+ cos A) and d = y (sin A – cos A) then
find (a/x)2 + (d/y)2ÂSolution
a = x(sin A+ cos A) so a/x = sin A+ cos A d = y (sinA-cosA) so d/y =sinA - cosA Now, (a/x)2 + (d/y)2 = (sin A + cos A)2 + (sin A-cos A)2 = 2(sin2 A+ cos2 A) = 2 × 1 = 2
More Trigonometry Questions
[√ (121.23) ÷ √ (12100.04)] × √ 80.95 = 3/10 + ? ÷ 4
...[(5/6 of 720.21) + 39.79% of 550.14] × (√120.91 + 29.99% of 200.09) = ?
√65 of 14.97 + √50 = (12.02)2 - ?
157.78% of 4820 + 92.33% of 2840 = ? + 115.55% of 1980
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
What is the value of "Ï€"
(74.93% of 640.11 + 3/4 of 359.79)² - (1/3 of 80.87 × 2)² = ?
Two trains, 'P' and 'Q', are moving with speeds of 16 m/s and 24 m/s, respectively. The lengths of the trains are in the ratio 3:...
( 22.01%  of 899.80 ) × 15.99 = ? 2 + 27.98 × 2400 ÷ 800
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