WebIf θ is an acute angle such that tan 2θ= 78 ,then the value of (1+cosθ)(1−cosθ)(1+sinθ)(1−sinθ) is A 87 B 78 C 47 D 4964 Medium Solution Verified by Toppr Correct option is A) (1+cosθ)(1−cosθ)(1+sinθ)(1−sinθ) = 1−cos 2θ1−sin 2θ= sin 2θcos 2θ= tan 2θ1 = 87 Solve any question of Introduction to Trigonometry with:- … Web21 jan. 2024 · Let $\theta$ be an angle in quadrant IV such that $\sin \theta = −12/13$. Then, find the exact values of $\sec\theta$ and $\cot\theta$. I've done the Pythagorean theorem: 5 for the adjacent side...
If theta is an acute angle such that cos theta =3/5 ,then sin theta …
Web16 feb. 2024 · If θ is a positive acute angle such that secθ = cosec 60°, find the value of 2cos^2 θ - 1. asked May 18, 2024 in Trigonometry by Wafa (37.1k points) trigonometry; ... If cos θ = 5/13, θ being an acute angle, then the value of (cos θ + 5 cot θ)/(cosec θ - cos θ) asked Nov 9, 2024 in Trigonometry by Eihaa (51.1k points ... Web14 apr. 2024 · During the past three decades, Global Navigation Satellite System (GNSS)-Reflectometry (GNSS-R) has become a promising remote sensing technique. In developing GNSS-R, several spaceborne missions have been launched, e.g., the UK’s TDS-1, NASA’s CYGNSS, and China’s BuFeng-1A/B and FY-3E GNOS-R satellites.The application of … caffe d vita simply iced coffee
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Web22 sep. 2024 · If A and B are acute angles such that cosA = cosB, then prove that A = B Solution: Given, cos A = cos B Suppose the triangle looks something like the figure 2, … Web29 mrt. 2024 · After this, we have to use the identity cos 2 θ + sin 2 θ = 1 and then we can find the value of cot 2 θ by the formula cot θ = 1 tan θ. Complete step-by-step answer: Here, we are given that θ is an acute angle such that tan 2 θ = 8 7. Now, we have to find the value of ( 1 + sin θ) ( 1 − sin θ) ( 1 + cos θ) ( 1 − cos θ). Web9 nov. 2024 · We want to find the value of cot(θ) given that sin(θ) = 3/8 and θ is an angle in a right triangle, we will get: cot(θ) = (√55)/3. So we know that θ is an acute angle in a … caffe d vita matcha green tea costco