Math, asked by preethapreetha799, 2 months ago

sec²∅-1 is equal to
a.cos²∅
b. cot²∅-1
c. tab²∅+1
d. tan²∅

Answers

Answered by rashi12anshu

0

Answer:

Cos2 theta is the answer

Answered by s1340xicjatin04773

0

cos2 thittaaaaaaaaaa

Step-by-step explanation:

cos 2 thitaaaaaaaaaaa

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