if p = 3 sec² and q = 3 tan² A – 1 , then find p – q??? please help meee
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if p = 3 sec² and q = 3 tan² A – 1 , then find p – q??? please help meee
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Step-by-step explanation:
p-q=3 sec²A -3 tan² A +1
= 3 – 3 sin²A +1
____ _____
cos²A. cos²A
= 3-3sin²A +cos²A
____________
cos²A
=3(1-sin²A) +cos²A
______________
cos²A
=3cos²A+cos²A
__________
cos²A
=4cos²A
_______
cos²A
=4