find the value of 7/cot²Q-7/cos²Q
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Answer: 7
Step-by-step explanation: 7 / cot ^2A - 7 / cos ^2A
= 7 tan^2 A - 7 / cos ^2 A
= 7sin^2 A / cos^2 A - 7 / cos ^2 A
= 7 sin^2 A - 7 / cos ^2 A
= 7 ( sin^2 A - 1 ) / cos^2 A
= 7 cos^2 A / cos^2 A = 7
so, your required answer is 7
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