Mathematics · Trigonometry

यदि cos(2A) = 1 - 2sin2A है, तो दिए गए समीकरण cos(A) = 1 - 2sin2A के आधार पर cos(2A) का मान किसके बराबर होगा?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1cos(A)✓
2sec(A)
31 - 2sin2A
4sin(A)

सही उत्तर देखें

cos(A)

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यदि cos(2A) = 1 - 2sin2A है, तो दिए गए समीकरण cos(A) = 1 - 2sin2A के आधार पर cos(2A) का मान किसके बराबर होगा?

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यदि cos(2A) = 1 - 2sin2A है, तो दिए गए समीकरण cos(A) = 1 - 2sin2A के आधार पर cos(2A) का मान किसके बराबर होगा?

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