TS EAMCET · Maths · Trigonometric Ratios & Identities
If and , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Given, θ∈π,3π2 ⇒θ2∈π2,3π4 Given, cosθ=-35 ⇒1-tan2θ21+tan2θ2=-35 ⇒5-5tan2θ2=-3-3tan2θ2 ⇒-2tan2θ2=-8 ⇒tan2θ2=4 ⇒tanθ2=-2,2 ⇒tanθ2=-2, as…
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