Question

If if tan theta is equals to 3 by 4 then what is cos squared theta minus sin square theta

Answer 1

Answer:

ans is 7/5

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Answer 2

Answer:

7/25

Step-by-step explanation:

tan theta = P/B = 3/4

P = 3,

B = 4,

H = 5        (Pythagorean triple )

sin theta = P/H = 3/5

cos theta = B/H = 4/5

(4/5)^2 - (3/5)^2 = 7/25