Question
If cot8A = tan(A+8˚), find the value of A? Given that
8A and A+8 are acute angles.Solution
Always remember that cot & tan are compliment to each other So tan ɵ = cot( 90-ɵ) So it is given that cot8A = tan(A+8˚) Hence 8A + A+8˚= 90˚ So 9A+8˚ = 90˚ or 9A = 90˚ - 8˚= 82˚ or A = 82˚/9 = 91.3˚
HEAD AND SHOULDERS ABOVE
I) The new model is head and shoulders above its competitors in terms of both quality and design.
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Charley Horse
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Select the most appropriate option to substitute the bold segment in the given sentence. If there is no need to substitute, select no improvement
make full use of and derive benefit from a resource
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The traffic came to a standstill after the heavy downpour of rain.
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