CBSE BOARD X, asked by Islamkhan1827, 7 months ago

Tan theta is equal to 1 under root 3 find the value of cos theta square - sec
theta square /Mein cos theta square + sec theta square

Answers

Answered by prafulbhaivora27
0

Explanation:

tan ∅ = 1 / √3

tan 30⁰ = 1 / √3

∅ = 30⁰

cos² ∅ - sec² ∅ / cos² ∅ + sec² ∅

= cos² 30⁰ - sec² 30⁰ / cos² 30⁰+ sec² 30⁰

= √3/2 - 2/√3 / √3/2 + 2/√3

= -1 / 2√3 / 7 / 2√3

= -1 / 7

Answered by ann3421
0
Tan theta =30
Hope this helps
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