Trigonometric Ratios Maths Genie

Instructions use black ink or ball point pen. Maths revision video and notes on the topic of finding missing angles and lengths in right angled triangles using the trigonometric ratios sine cosine and tangent. Maths revision video and notes on the topic of sharing between ratios.

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Using this triangle lengths are only to one decimal place.

Trigonometric ratios maths genie. Maths genie is a free gcse and a level revision site. The triangle could be larger smaller or turned around but that angle will always have that ratio. Sin 35 opposite hypotenuse 2 8 4 9 0 57. In geometry trigonometry is a branch of mathematics that deals with the sides and angles of a right angled triangle.

Here you are introduced to the trigonometric ratios sine cosine and tangent which are used to find the lengths and angles of a right angled triangle. Maths revision video and notes on the topic of exact values of the trigonometric ratios of sine cosine and tangent 0 30 45 60 90. This page has revision notes videos and past exam questions arranged by topic. Calculators have sin cos and tan to help us so let s see how to use them.

If you like this video please click like and subscribe. The six trigonometric ratios are sine sin cosine cos tangent tan cotangent cot cosecant cosec and secant sec. Tracing paper may be used. Mathematics linear 1ma0 trigonometry materials required for examination items included with question papers ruler graduated in centimetres and nil millimetres protractor compasses pen hb pencil eraser.